diff --git a/.github/workflows/container-build.yml b/.github/workflows/container-build.yml
index 0f60e59..7fcf6bb 100644
--- a/.github/workflows/container-build.yml
+++ b/.github/workflows/container-build.yml
@@ -24,7 +24,7 @@ jobs:
                 - name: explorer
                   path: "explorer/"
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
               with:
                   fetch-depth: 1
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 93d4271..a560ff7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Run pytype
         run: docker-compose -f docker-compose-test.yml run impact pytype main.py server.py
       - name: Run tests