diff --git a/.gitmodules b/.gitmodules
index 044bcef..aa15df7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,3 @@
 [submodule "secrets"]
-        path = secrets
-        url = https://github.com/monster1025/secrets
-
+	path = secrets
+	url = git@github.com:monster1025/secrets.git
diff --git a/Makefile b/Makefile
index 12c2e73..3b450a3 100644
--- a/Makefile
+++ b/Makefile
@@ -34,12 +34,12 @@ copy_secrets:
 	@cp hass/settings/secrets.yaml secrets/hass/settings/secrets.yaml
 	@cd secrets
 	@git add .
-	@git commit -m "secrets update"
+	@git diff-index --quiet HEAD || git commit -m "secrets update"
 	@git push
 
 commit: copy_secrets update_secrets_sample
 	git add .
-	git commit -m "$(call ARGS,\"updating configuration\")"
+	git diff-index --quiet HEAD || git commit -m "$(call ARGS,\"updating configuration\")"
 	git push
 
 %:
diff --git a/secrets b/secrets
new file mode 160000
index 0000000..e3bb1c5
--- /dev/null
+++ b/secrets
@@ -0,0 +1 @@
+Subproject commit e3bb1c5a448e0475d2a39bdb5071a4ade17f7670