diff --git a/10/Dockerfile b/10/Dockerfile
index a5c68fdf9a..e541bac0ed 100644
--- a/10/Dockerfile
+++ b/10/Dockerfile
@@ -47,7 +47,7 @@ RUN set -ex; \
 	apt-key list
 
 ENV PG_MAJOR 10
-ENV PG_VERSION 10~beta4-1.pgdg90+1
+ENV PG_VERSION 10~rc1-1.pgdg90+1
 
 RUN set -ex; \
 	\