diff --git a/.github/workflows/lint-code.yaml b/.github/workflows/lint-code.yaml
index ae12419..a2cc4eb 100644
--- a/.github/workflows/lint-code.yaml
+++ b/.github/workflows/lint-code.yaml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v4
diff --git a/.github/workflows/test-code.yaml b/.github/workflows/test-code.yaml
index 667f248..0dd5d28 100644
--- a/.github/workflows/test-code.yaml
+++ b/.github/workflows/test-code.yaml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v4