diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 364846c..b47a3af 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.4.0
+      uses: actions/checkout@v3.3.0
       with:
         persist-credentials: false
     - uses: actions/setup-python@v2
@@ -48,7 +48,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v3.3.0
       with:
         persist-credentials: false
     - uses: actions/setup-python@v2