diff --git a/11/alpine/Dockerfile b/11/alpine/Dockerfile
index cf0cd0dea8..ffc861419c 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 11.2
-ENV PG_SHA256 2676b9ce09c21978032070b6794696e0aa5a476e3d21d60afc036dc0a9c09405
+ENV PG_VERSION 11.3
+ENV PG_SHA256 2a85e082fc225944821dfd23990e32dfcd2284c19060864b0ad4ca537d30522d
 
 RUN set -ex \
 	\