diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6918549..9b24574 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0  # MinVer needs full git history
 
diff --git a/.github/workflows/publish-nuget.yml b/.github/workflows/publish-nuget.yml
index 830da74..45aa1ec 100644
--- a/.github/workflows/publish-nuget.yml
+++ b/.github/workflows/publish-nuget.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0