diff --git a/Dockerfile b/Dockerfile
index c508ea5..ebe98af 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgis/postgis:15-master
+FROM postgis/postgis:15-3.3
 
 LABEL maintainer="PgOSM Flex - https://github.com/rustprooflabs/pgosm-flex"