diff --git a/12/alpine/Dockerfile b/12/alpine/Dockerfile
index fc87027d02..a6e5d99eb6 100644
--- a/12/alpine/Dockerfile
+++ b/12/alpine/Dockerfile
@@ -18,8 +18,8 @@ ENV LANG en_US.utf8
 RUN mkdir /docker-entrypoint-initdb.d
 
 ENV PG_MAJOR 12
-ENV PG_VERSION 12.3
-ENV PG_SHA256 94ed64a6179048190695c86ec707cc25d016056ce10fc9d229267d9a8f1dcf41
+ENV PG_VERSION 12.4
+ENV PG_SHA256 bee93fbe2c32f59419cb162bcc0145c58da9a8644ee154a30b9a5ce47de606cc
 
 RUN set -eux; \
 	\