diff --git a/postgres-db-init/Dockerfile b/postgres-db-init/Dockerfile
index f471a09..140298e 100644
--- a/postgres-db-init/Dockerfile
+++ b/postgres-db-init/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:15.2@sha256:78a275d4c891f7b3a33d3f1a78eda9f1d744954d9e20122bfdc97cdda25cddaf
+FROM postgres:16.3@sha256:6d2a810d24786a90bf4bf2f4d4ce7a1039696a9269f3293abf3d6c8aa0bab9da
 
 LABEL name=@strg-at/postgres-db-init
 LABEL maintainer=STRG.