diff --git a/M2/BUILD/docker/rhel/Dockerfile b/M2/BUILD/docker/rhel/Dockerfile
index 3756b5f435..c713e5e7ec 100644
--- a/M2/BUILD/docker/rhel/Dockerfile
+++ b/M2/BUILD/docker/rhel/Dockerfile
@@ -1,5 +1,5 @@
 ARG DISTRIBUTION=rockylinux
-ARG RELEASE=8
+ARG RELEASE=9
 
 FROM $DISTRIBUTION:$RELEASE
 ARG RELEASE
diff --git a/M2/BUILD/docker/rhel/Makefile b/M2/BUILD/docker/rhel/Makefile
index cf984aba99..afb15de333 100644
--- a/M2/BUILD/docker/rhel/Makefile
+++ b/M2/BUILD/docker/rhel/Makefile
@@ -2,7 +2,7 @@ include ../Makefile
 
 ## Parameters
 DISTRIBUTION = rockylinux
-RELEASE = 8
+RELEASE = 9
 BUILD = autotools
 BUILD_ARGS = --build-arg DISTRIBUTION=$(DISTRIBUTION) \
 	--build-arg RELEASE=$(RELEASE)