diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3fc9527..fb4371b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
 
       - name: Checkout Code Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python 3.9
         uses: actions/setup-python@v4
@@ -41,7 +41,7 @@ jobs:
     steps:
 
       - name: Checkout Code Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Make envfile
         uses: SpicyPizza/create-envfile@v1.3