diff --git a/11/alpine/Dockerfile b/11/alpine/Dockerfile
index 81ef46360b..750f7ef04a 100644
--- a/11/alpine/Dockerfile
+++ b/11/alpine/Dockerfile
@@ -22,8 +22,8 @@ ENV LANG en_US.utf8
 RUN mkdir /docker-entrypoint-initdb.d
 
 ENV PG_MAJOR 11
-ENV PG_VERSION 11beta4
-ENV PG_SHA256 bb0b21f7f551cf5b3e13c05fdf8266fd0ce14db1f62e9c8d21b395ddbaf68fe4
+ENV PG_VERSION 11rc1
+ENV PG_SHA256 608c35369b79a40239663c4213267fd08d3184c3a2cd4d6ff71103ca61930609
 
 RUN set -ex \
 	\