diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6ddd635..5fe191d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with: { submodules: recursive }
       - if: github.event_name != 'release' && github.event_name != 'workflow_dispatch'
         uses: Swatinem/rust-cache@v2
@@ -35,7 +35,7 @@ jobs:
     name: Nightly-specific tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with: { submodules: recursive }
       - if: github.event_name != 'release' && github.event_name != 'workflow_dispatch'
         uses: Swatinem/rust-cache@v2
@@ -48,7 +48,7 @@ jobs:
     name: Test MSRV
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with: { submodules: recursive }
       - if: github.event_name != 'release' && github.event_name != 'workflow_dispatch'
         uses: Swatinem/rust-cache@v2
@@ -69,7 +69,7 @@ jobs:
     if: github.event_name != 'release'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with: { submodules: recursive }
       - uses: Swatinem/rust-cache@v2
       - uses: taiki-e/install-action@v2
@@ -100,7 +100,7 @@ jobs:
     needs: [ ci-passed ]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with: { submodules: recursive }
       - name: Publish to crates.io
         run: cargo publish