diff --git a/pom.xml b/pom.xml
index e8f6990ec7..aa29e71bf0 100755
--- a/pom.xml
+++ b/pom.xml
@@ -70,7 +70,7 @@
         <json-schema-validator.version>2.2.6</json-schema-validator.version>
         <californium.version>3.0.0</californium.version>
         <leshan.version>2.0.0-M5</leshan.version>
-        <gson.version>2.6.2</gson.version>
+        <gson.version>2.9.0</gson.version>
         <freemarker.version>2.3.30</freemarker.version>
         <mail.version>1.6.2</mail.version>
         <curator.version>4.2.0</curator.version>