diff --git a/stacks/lail-apps/forgejo/docker-compose.yml b/stacks/lail-apps/forgejo/docker-compose.yaml
similarity index 100%
rename from stacks/lail-apps/forgejo/docker-compose.yml
rename to stacks/lail-apps/forgejo/docker-compose.yaml
diff --git a/stacks/lail-apps/outline/docker-compose.yml b/stacks/lail-apps/outline/docker-compose.yaml
similarity index 100%
rename from stacks/lail-apps/outline/docker-compose.yml
rename to stacks/lail-apps/outline/docker-compose.yaml
diff --git a/stacks/lail-apps/paheko/docker-compose.yml b/stacks/lail-apps/paheko/docker-compose.yaml
similarity index 100%
rename from stacks/lail-apps/paheko/docker-compose.yml
rename to stacks/lail-apps/paheko/docker-compose.yaml