diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 950d6c2..f52fec3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     name: Flake8
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
       - name: Set Up Python
         uses: actions/setup-python@v5.0.0
         with:
@@ -43,7 +43,7 @@ jobs:
           - 'pypy-3.8'
           - 'pypy-3.9'
     steps:
-      - uses: actions/checkout@v4.1.1
+      - uses: actions/checkout@v4.1.6
       - name: Set Up Python
         uses: actions/setup-python@v5.0.0
         with:
@@ -65,7 +65,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v4.1.6
         with:
           fetch-depth: 0
       - name: Set Up Python