diff --git a/msa/tb/docker-cassandra/Dockerfile b/msa/tb/docker-cassandra/Dockerfile
index 2f23aec399..0a0c36ed88 100644
--- a/msa/tb/docker-cassandra/Dockerfile
+++ b/msa/tb/docker-cassandra/Dockerfile
@@ -16,7 +16,7 @@
 
 FROM thingsboard/openjdk11:bullseye-slim
 
-ENV PG_MAJOR=12
+ENV PG_MAJOR=15
 
 ENV DATA_FOLDER=/data