diff --git a/12/alpine/Dockerfile b/12/alpine/Dockerfile
index 965cf1fe2f..ae7bd94b28 100644
--- a/12/alpine/Dockerfile
+++ b/12/alpine/Dockerfile
@@ -22,8 +22,8 @@ ENV LANG en_US.utf8
 RUN mkdir /docker-entrypoint-initdb.d
 
 ENV PG_MAJOR 12
-ENV PG_VERSION 12rc1
-ENV PG_SHA256 40facd3280d8565f37139d2c5df2b94fe68a064c5d2784f74fceae24820543f3
+ENV PG_VERSION 12.0
+ENV PG_SHA256 cda2397215f758b793f741c86be05468257b0e6bcb1a6113882ab5d0df0855c6
 
 RUN set -ex \
 	\