diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 0594600..5a30b9d 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -2,6 +2,8 @@ name: "Test template"
 on:
   workflow_dispatch: # allows manual triggering
   push:
+    paths:
+      - 'flake.lock'
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true