diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 61ad2e6..de94d9f 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v4