diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7f6cbeb..7f38ace 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         os: ["ubuntu", "macos"]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: crystal-lang/install-crystal@v1
         with:
           crystal: latest
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 511e5bb..3660f7b 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: crystal-lang/install-crystal@v1
       - name: Generate document
         run: crystal docs