diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index d6d72b6..bf745c8 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -14,7 +14,7 @@ jobs:
     env:
       solution-path: './src/NetCore Utilities Email.sln'
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/release-build.yml b/.github/workflows/release-build.yml
index afd6936..9381270 100644
--- a/.github/workflows/release-build.yml
+++ b/.github/workflows/release-build.yml
@@ -13,7 +13,7 @@ jobs:
     env:
       solution-path: './src/NetCore Utilities Email.sln'
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       with:
         fetch-depth: 0