diff --git a/postgres-hstore/Dockerfile b/postgres-hstore/Dockerfile
index cb97d3d..1b743a0 100644
--- a/postgres-hstore/Dockerfile
+++ b/postgres-hstore/Dockerfile
@@ -1,3 +1,3 @@
-FROM postgres:latest
+FROM postgres:12.2
 MAINTAINER Piotr Dobrowolski
 ADD create_extension.sh /docker-entrypoint-initdb.d/create_extension.sh