diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 5d01a217..36feeb56 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -31,7 +31,7 @@ jobs:
           - dockerfiles/tor/Dockerfile
           - dockerfiles/twemproxy/Dockerfile
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Build and push
         uses: ./.github/actions/docker
         with:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4703b72e..409e79ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true