diff --git a/.gitmodules b/.gitmodules
index fe706da..eb1c417 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "secrets"]
 	path = secrets
 	url = git@git.rainbownerds.de:felix/nixos-secrets.git
+[submodule "overlay"]
+	path = overlay
+	url = git@git.rainbownerds.de:felix/overlay.git
diff --git a/overlay b/overlay
new file mode 160000
index 0000000..9e18787
--- /dev/null
+++ b/overlay
@@ -0,0 +1 @@
+Subproject commit 9e18787088082d94031f8b11bfc2d4737308b137