diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index da7bb4b..7735d26 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -17,7 +17,7 @@ jobs:
     needs: test
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
 
       - name: Copy readme file
         shell: bash