diff --git a/.github/workflows/master_altinn-testtools-token-generator.yml b/.github/workflows/master_altinn-testtools-token-generator.yml
index e98efe8..783d14d 100644
--- a/.github/workflows/master_altinn-testtools-token-generator.yml
+++ b/.github/workflows/master_altinn-testtools-token-generator.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: 'Checkout GitHub Action'
-        uses: actions/checkout@v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Setup DotNet ${{ env.DOTNET_VERSION }} Environment
         uses: actions/setup-dotnet@v4