diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 43d7aff..55730f5 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -17,7 +17,7 @@ jobs:
       nbgv: ${{ steps.nbgv.outputs.SemVer2 }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
       with:
         fetch-depth: 0
         lfs: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a09523b..d75cf3d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       nbgv: ${{ steps.nbgv.outputs.SemVer2 }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
       with:
         fetch-depth: 0
         lfs: true