diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 044b2aa..397c701 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - name: Prepare
         uses: subosito/flutter-action@v2
         with: