diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 65883be..48c8318 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
           - "head"
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: "actions/checkout@v3"
+      - uses: "actions/checkout@v4"
       - uses: "ruby/setup-ruby@v1"
         with:
           ruby-version: ${{ matrix.ruby-version }}
diff --git a/.github/workflows/keep-an-eye-on-ruby-head.yml b/.github/workflows/keep-an-eye-on-ruby-head.yml
index 67226dd..d1b0926 100644
--- a/.github/workflows/keep-an-eye-on-ruby-head.yml
+++ b/.github/workflows/keep-an-eye-on-ruby-head.yml
@@ -16,7 +16,7 @@ jobs:
           - "head"
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: "actions/checkout@v3"
+      - uses: "actions/checkout@v4"
       - uses: "ruby/setup-ruby@v1"
         with:
           ruby-version: ${{ matrix.ruby-version }}