diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 09435bb..d3ccfe7 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Clone code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 0f0ef43..382c3a0 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Clone code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v5