diff --git a/application/pom.xml b/application/pom.xml
index 17b179c767..112cc82ff7 100644
--- a/application/pom.xml
+++ b/application/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>application</artifactId>
diff --git a/application/src/main/resources/thingsboard.yml b/application/src/main/resources/thingsboard.yml
index f642d7fea5..ef6d2204d8 100644
--- a/application/src/main/resources/thingsboard.yml
+++ b/application/src/main/resources/thingsboard.yml
@@ -206,7 +206,7 @@ ui:
   # Help parameters
   help:
     # Base URL for UI help assets
-    base-url: "${UI_HELP_BASE_URL:https://raw.githubusercontent.com/thingsboard/thingsboard-ui-help/release-3.9}"
+    base-url: "${UI_HELP_BASE_URL:https://raw.githubusercontent.com/thingsboard/thingsboard-ui-help/release-4.0}"
 
 # Database telemetry parameters
 database:
diff --git a/common/actor/pom.xml b/common/actor/pom.xml
index cc19cc949f..9b0053e0b6 100644
--- a/common/actor/pom.xml
+++ b/common/actor/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/cache/pom.xml b/common/cache/pom.xml
index 1ecb95c6c5..fd9802a689 100644
--- a/common/cache/pom.xml
+++ b/common/cache/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/cluster-api/pom.xml b/common/cluster-api/pom.xml
index bd7dc214cf..d53ac4904d 100644
--- a/common/cluster-api/pom.xml
+++ b/common/cluster-api/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/coap-server/pom.xml b/common/coap-server/pom.xml
index 401d1e94fd..30001c929d 100644
--- a/common/coap-server/pom.xml
+++ b/common/coap-server/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/dao-api/pom.xml b/common/dao-api/pom.xml
index 62c1e420c2..0bd0f476ec 100644
--- a/common/dao-api/pom.xml
+++ b/common/dao-api/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/data/pom.xml b/common/data/pom.xml
index b206f0b173..f7c559c728 100644
--- a/common/data/pom.xml
+++ b/common/data/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/edge-api/pom.xml b/common/edge-api/pom.xml
index 31d90de948..4f0fe5aac0 100644
--- a/common/edge-api/pom.xml
+++ b/common/edge-api/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/message/pom.xml b/common/message/pom.xml
index ac56095e7e..0e290d1e01 100644
--- a/common/message/pom.xml
+++ b/common/message/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/pom.xml b/common/pom.xml
index c905e0eee9..4c8f56cbce 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>common</artifactId>
diff --git a/common/proto/pom.xml b/common/proto/pom.xml
index 4409d6b97f..9a9b262d82 100644
--- a/common/proto/pom.xml
+++ b/common/proto/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/queue/pom.xml b/common/queue/pom.xml
index 7485294f6e..6fad5efd5a 100644
--- a/common/queue/pom.xml
+++ b/common/queue/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/script/pom.xml b/common/script/pom.xml
index 88e35e8429..8c4ea360cf 100644
--- a/common/script/pom.xml
+++ b/common/script/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/script/remote-js-client/pom.xml b/common/script/remote-js-client/pom.xml
index 7309e6af51..2b780bf489 100644
--- a/common/script/remote-js-client/pom.xml
+++ b/common/script/remote-js-client/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>script</artifactId>
     </parent>
     <groupId>org.thingsboard.common.script</groupId>
diff --git a/common/script/script-api/pom.xml b/common/script/script-api/pom.xml
index 08ef60713e..ed93701513 100644
--- a/common/script/script-api/pom.xml
+++ b/common/script/script-api/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>script</artifactId>
     </parent>
     <groupId>org.thingsboard.common.script</groupId>
diff --git a/common/stats/pom.xml b/common/stats/pom.xml
index 31fbc72dcc..7cc67d5821 100644
--- a/common/stats/pom.xml
+++ b/common/stats/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/transport/coap/pom.xml b/common/transport/coap/pom.xml
index d4528944e0..86459e9821 100644
--- a/common/transport/coap/pom.xml
+++ b/common/transport/coap/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/transport/http/pom.xml b/common/transport/http/pom.xml
index 054fc3cbbe..8ab2243ceb 100644
--- a/common/transport/http/pom.xml
+++ b/common/transport/http/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/transport/lwm2m/pom.xml b/common/transport/lwm2m/pom.xml
index 54232ac104..a6e7209f21 100644
--- a/common/transport/lwm2m/pom.xml
+++ b/common/transport/lwm2m/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/transport/mqtt/pom.xml b/common/transport/mqtt/pom.xml
index e672f7a5dd..d074afc6b5 100644
--- a/common/transport/mqtt/pom.xml
+++ b/common/transport/mqtt/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/transport/pom.xml b/common/transport/pom.xml
index c87fa8c2bf..fdd3ad21d5 100644
--- a/common/transport/pom.xml
+++ b/common/transport/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/transport/snmp/pom.xml b/common/transport/snmp/pom.xml
index 78665bfde2..5d4d37547f 100644
--- a/common/transport/snmp/pom.xml
+++ b/common/transport/snmp/pom.xml
@@ -21,7 +21,7 @@
 
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
 
diff --git a/common/transport/transport-api/pom.xml b/common/transport/transport-api/pom.xml
index 7d221c48bf..e2f03b060a 100644
--- a/common/transport/transport-api/pom.xml
+++ b/common/transport/transport-api/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.common</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.common.transport</groupId>
diff --git a/common/util/pom.xml b/common/util/pom.xml
index ad3bbaba58..dc75047267 100644
--- a/common/util/pom.xml
+++ b/common/util/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/common/version-control/pom.xml b/common/version-control/pom.xml
index f37139b3c5..ea568dfcd9 100644
--- a/common/version-control/pom.xml
+++ b/common/version-control/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>common</artifactId>
     </parent>
     <groupId>org.thingsboard.common</groupId>
diff --git a/dao/pom.xml b/dao/pom.xml
index 1dac54c142..5021742154 100644
--- a/dao/pom.xml
+++ b/dao/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>dao</artifactId>
diff --git a/monitoring/pom.xml b/monitoring/pom.xml
index 013a0b5c47..d30a9ca71f 100644
--- a/monitoring/pom.xml
+++ b/monitoring/pom.xml
@@ -21,7 +21,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
 
diff --git a/msa/black-box-tests/pom.xml b/msa/black-box-tests/pom.xml
index 4d34a13f38..c1c0980b64 100644
--- a/msa/black-box-tests/pom.xml
+++ b/msa/black-box-tests/pom.xml
@@ -21,7 +21,7 @@
 
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/js-executor/package.json b/msa/js-executor/package.json
index 0fb241c558..a29dc1ef54 100644
--- a/msa/js-executor/package.json
+++ b/msa/js-executor/package.json
@@ -1,7 +1,7 @@
 {
   "name": "thingsboard-js-executor",
   "private": true,
-  "version": "3.9.0",
+  "version": "4.0.0",
   "description": "ThingsBoard JavaScript Executor Microservice",
   "main": "server.ts",
   "bin": "server.js",
diff --git a/msa/js-executor/pom.xml b/msa/js-executor/pom.xml
index f747db1438..62545f5ad6 100644
--- a/msa/js-executor/pom.xml
+++ b/msa/js-executor/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/monitoring/pom.xml b/msa/monitoring/pom.xml
index 3a4834236c..1b03765586 100644
--- a/msa/monitoring/pom.xml
+++ b/msa/monitoring/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
 
diff --git a/msa/pom.xml b/msa/pom.xml
index d77384cc74..ff394295f4 100644
--- a/msa/pom.xml
+++ b/msa/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>msa</artifactId>
diff --git a/msa/tb-node/pom.xml b/msa/tb-node/pom.xml
index 11295dc4b9..6142c3c5d8 100644
--- a/msa/tb-node/pom.xml
+++ b/msa/tb-node/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/tb/docker/install-tb.sh b/msa/tb/docker/install-tb.sh
index 9567908316..b926aac0bb 100644
--- a/msa/tb/docker/install-tb.sh
+++ b/msa/tb/docker/install-tb.sh
@@ -40,7 +40,6 @@ fi
 CONF_FOLDER="${pkg.installFolder}/conf"
 jarfile=${pkg.installFolder}/bin/${pkg.name}.jar
 configfile=${pkg.name}.conf
-upgradeversion=${DATA_FOLDER}/.upgradeversion
 
 source "${CONF_FOLDER}/${configfile}"
 
@@ -54,5 +53,3 @@ java -cp ${jarfile} $JAVA_OPTS -Dloader.main=org.thingsboard.server.ThingsboardI
                     -Dinstall.upgrade=false \
                     -Dlogging.config=/usr/share/thingsboard/bin/install/logback.xml \
                     org.springframework.boot.loader.launch.PropertiesLauncher
-
-echo "${pkg.upgradeVersion}" > ${upgradeversion}
diff --git a/msa/tb/docker/upgrade-tb.sh b/msa/tb/docker/upgrade-tb.sh
index 545bf4b8d6..3c8e4f194d 100644
--- a/msa/tb/docker/upgrade-tb.sh
+++ b/msa/tb/docker/upgrade-tb.sh
@@ -20,28 +20,15 @@ start-db.sh
 CONF_FOLDER="${pkg.installFolder}/conf"
 jarfile=${pkg.installFolder}/bin/${pkg.name}.jar
 configfile=${pkg.name}.conf
-upgradeversion=${DATA_FOLDER}/.upgradeversion
 
 source "${CONF_FOLDER}/${configfile}"
 
-FROM_VERSION=`cat ${upgradeversion}`
-
 echo "Starting ThingsBoard upgrade ..."
 
-if [[ -z "${FROM_VERSION// }" ]]; then
-    echo "FROM_VERSION variable is invalid or unspecified!"
-    exit 1
-else
-    fromVersion="${FROM_VERSION// }"
-fi
-
 java -cp ${jarfile} $JAVA_OPTS -Dloader.main=org.thingsboard.server.ThingsboardInstallApplication \
                 -Dspring.jpa.hibernate.ddl-auto=none \
                 -Dinstall.upgrade=true \
-                -Dinstall.upgrade.from_version=${fromVersion} \
                 -Dlogging.config=/usr/share/thingsboard/bin/install/logback.xml \
                 org.springframework.boot.loader.launch.PropertiesLauncher
 
-echo "${pkg.upgradeVersion}" > ${upgradeversion}
-
 stop-db.sh
\ No newline at end of file
diff --git a/msa/tb/pom.xml b/msa/tb/pom.xml
index 79a2a66385..0c6046c09e 100644
--- a/msa/tb/pom.xml
+++ b/msa/tb/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
@@ -38,7 +38,6 @@
         <tb-postgres.docker.name>tb-postgres</tb-postgres.docker.name>
         <tb-cassandra.docker.name>tb-cassandra</tb-cassandra.docker.name>
         <pkg.installFolder>/usr/share/${pkg.name}</pkg.installFolder>
-        <pkg.upgradeVersion>3.9.0</pkg.upgradeVersion>
     </properties>
 
     <dependencies>
diff --git a/msa/transport/coap/pom.xml b/msa/transport/coap/pom.xml
index 9ec8589d9a..325d4d45fa 100644
--- a/msa/transport/coap/pom.xml
+++ b/msa/transport/coap/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.msa</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/transport/http/pom.xml b/msa/transport/http/pom.xml
index d562f89cd5..945c523455 100644
--- a/msa/transport/http/pom.xml
+++ b/msa/transport/http/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.msa</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/transport/lwm2m/pom.xml b/msa/transport/lwm2m/pom.xml
index 992187316a..4d0370c1cf 100644
--- a/msa/transport/lwm2m/pom.xml
+++ b/msa/transport/lwm2m/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.msa</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/transport/mqtt/pom.xml b/msa/transport/mqtt/pom.xml
index 32aa6a4f23..20791ad61c 100644
--- a/msa/transport/mqtt/pom.xml
+++ b/msa/transport/mqtt/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard.msa</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/transport/pom.xml b/msa/transport/pom.xml
index 34be0bd338..0b92e1fa97 100644
--- a/msa/transport/pom.xml
+++ b/msa/transport/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/transport/snmp/pom.xml b/msa/transport/snmp/pom.xml
index 95919ad175..b16469523e 100644
--- a/msa/transport/snmp/pom.xml
+++ b/msa/transport/snmp/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.thingsboard.msa</groupId>
         <artifactId>transport</artifactId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
     </parent>
 
     <groupId>org.thingsboard.msa.transport</groupId>
diff --git a/msa/vc-executor-docker/pom.xml b/msa/vc-executor-docker/pom.xml
index 8aeeed2b1e..72995b05ab 100644
--- a/msa/vc-executor-docker/pom.xml
+++ b/msa/vc-executor-docker/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/vc-executor/pom.xml b/msa/vc-executor/pom.xml
index 0932bf7c06..1b88a41692 100644
--- a/msa/vc-executor/pom.xml
+++ b/msa/vc-executor/pom.xml
@@ -21,7 +21,7 @@
 
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/msa/web-ui/package.json b/msa/web-ui/package.json
index 84b1a4a488..3374112096 100644
--- a/msa/web-ui/package.json
+++ b/msa/web-ui/package.json
@@ -1,7 +1,7 @@
 {
   "name": "thingsboard-web-ui",
   "private": true,
-  "version": "3.9.0",
+  "version": "4.0.0",
   "description": "ThingsBoard Web UI Microservice",
   "main": "server.ts",
   "bin": "server.js",
diff --git a/msa/web-ui/pom.xml b/msa/web-ui/pom.xml
index 195ae123f4..361487b516 100644
--- a/msa/web-ui/pom.xml
+++ b/msa/web-ui/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>msa</artifactId>
     </parent>
     <groupId>org.thingsboard.msa</groupId>
diff --git a/netty-mqtt/pom.xml b/netty-mqtt/pom.xml
index 7de766b2da..f7361a686d 100644
--- a/netty-mqtt/pom.xml
+++ b/netty-mqtt/pom.xml
@@ -19,11 +19,11 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>netty-mqtt</artifactId>
-    <version>3.9.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Netty MQTT Client</name>
diff --git a/pom.xml b/pom.xml
index 8dc3e1c40a..0135a1b4ea 100755
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.thingsboard</groupId>
     <artifactId>thingsboard</artifactId>
-    <version>3.9.0-SNAPSHOT</version>
+    <version>4.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Thingsboard</name>
diff --git a/rest-client/pom.xml b/rest-client/pom.xml
index 069f7b84f0..c8232512f7 100644
--- a/rest-client/pom.xml
+++ b/rest-client/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>rest-client</artifactId>
diff --git a/rule-engine/pom.xml b/rule-engine/pom.xml
index e6abae70ef..bd14daf22e 100644
--- a/rule-engine/pom.xml
+++ b/rule-engine/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>rule-engine</artifactId>
diff --git a/rule-engine/rule-engine-api/pom.xml b/rule-engine/rule-engine-api/pom.xml
index 57bc5771d2..886a2169f3 100644
--- a/rule-engine/rule-engine-api/pom.xml
+++ b/rule-engine/rule-engine-api/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>rule-engine</artifactId>
     </parent>
     <groupId>org.thingsboard.rule-engine</groupId>
diff --git a/rule-engine/rule-engine-components/pom.xml b/rule-engine/rule-engine-components/pom.xml
index 99853b0950..750701894f 100644
--- a/rule-engine/rule-engine-components/pom.xml
+++ b/rule-engine/rule-engine-components/pom.xml
@@ -22,7 +22,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>rule-engine</artifactId>
     </parent>
     <groupId>org.thingsboard.rule-engine</groupId>
diff --git a/tools/pom.xml b/tools/pom.xml
index 2d196cec7d..4f7c3f48a6 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>tools</artifactId>
diff --git a/transport/coap/pom.xml b/transport/coap/pom.xml
index 76655178ae..452ef6ec9a 100644
--- a/transport/coap/pom.xml
+++ b/transport/coap/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.transport</groupId>
diff --git a/transport/http/pom.xml b/transport/http/pom.xml
index 7e569ea1f1..2408340792 100644
--- a/transport/http/pom.xml
+++ b/transport/http/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.transport</groupId>
diff --git a/transport/lwm2m/pom.xml b/transport/lwm2m/pom.xml
index b5b7867146..3ba43f5b53 100644
--- a/transport/lwm2m/pom.xml
+++ b/transport/lwm2m/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.transport</groupId>
diff --git a/transport/mqtt/pom.xml b/transport/mqtt/pom.xml
index 88009474aa..e31d618890 100644
--- a/transport/mqtt/pom.xml
+++ b/transport/mqtt/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
     <groupId>org.thingsboard.transport</groupId>
diff --git a/transport/pom.xml b/transport/pom.xml
index 8e7f77be9b..dd1c415e6c 100644
--- a/transport/pom.xml
+++ b/transport/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <artifactId>transport</artifactId>
diff --git a/transport/snmp/pom.xml b/transport/snmp/pom.xml
index 02fe36f657..08f23d2c2d 100644
--- a/transport/snmp/pom.xml
+++ b/transport/snmp/pom.xml
@@ -21,7 +21,7 @@
 
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>transport</artifactId>
     </parent>
 
diff --git a/ui-ngx/package.json b/ui-ngx/package.json
index 0eff3bbd8d..d8870a3568 100644
--- a/ui-ngx/package.json
+++ b/ui-ngx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "thingsboard",
-  "version": "3.9.0",
+  "version": "4.0.0",
   "scripts": {
     "ng": "ng",
     "start": "node --max_old_space_size=8048 ./node_modules/@angular/cli/bin/ng serve --configuration development --host 0.0.0.0 --open",
diff --git a/ui-ngx/pom.xml b/ui-ngx/pom.xml
index f16e352d71..9515f3b3ec 100644
--- a/ui-ngx/pom.xml
+++ b/ui-ngx/pom.xml
@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>org.thingsboard</groupId>
-        <version>3.9.0-SNAPSHOT</version>
+        <version>4.0.0-SNAPSHOT</version>
         <artifactId>thingsboard</artifactId>
     </parent>
     <groupId>org.thingsboard</groupId>