diff --git a/.gitmodules b/.gitmodules
index 4af41576..92fa92fb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "fedora-coreos-config"]
 	path = fedora-coreos-config
 	url = https://github.com/coreos/fedora-coreos-config
-	branch = testing-devel
+	branch = rhcos-4.15
diff --git a/fedora-coreos-config b/fedora-coreos-config
index c5396ad1..5e9a9723 160000
--- a/fedora-coreos-config
+++ b/fedora-coreos-config
@@ -1 +1 @@
-Subproject commit c5396ad1c27c842d7f4ad54903908f981c81917d
+Subproject commit 5e9a9723f5e20c05c549efc01552614c4e824691