diff --git a/11/alpine/Dockerfile b/11/alpine/Dockerfile
index bfc79d5d00..fe9d090a02 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 11.4
-ENV PG_SHA256 02802ddffd1590805beddd1e464dd28a46a41a5f1e1df04bab4f46663195cc8b
+ENV PG_VERSION 11.5
+ENV PG_SHA256 7fdf23060bfc715144cbf2696cf05b0fa284ad3eb21f0c378591c6bca99ad180
 
 RUN set -ex \
 	\