diff --git a/.github/workflows/build-on-push.yml b/.github/workflows/build-on-push.yml
index f54c802..a8705cc 100644
--- a/.github/workflows/build-on-push.yml
+++ b/.github/workflows/build-on-push.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ./.github/actions/builder
         with:
           stack: heroku-20
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index be1f1e0..af8608c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-go@v2
       with:
         go-version: 1.15.2