diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5ae4380..bb162ba 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
@@ -64,7 +64,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install Taplo
         env:
           version: "0.9.3"