diff --git a/.github/workflows/bump.yml b/.github/workflows/bump.yml
index 02612ce2..166b74ad 100644
--- a/.github/workflows/bump.yml
+++ b/.github/workflows/bump.yml
@@ -18,7 +18,7 @@ jobs:
         with:
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: astral-sh/setup-uv@v6
       - run: uvx nox -s pc_bump
         env:
diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 4d3544ff..94e51ba2 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/reusable-change-detection.yml b/.github/workflows/reusable-change-detection.yml
index d56a6008..4b2fa972 100644
--- a/.github/workflows/reusable-change-detection.yml
+++ b/.github/workflows/reusable-change-detection.yml
@@ -18,7 +18,7 @@ jobs:
       run-cookie: ${{ steps.cookie-changes.outputs.run-cookie || false }}
       run-rr: ${{ steps.rr-changes.outputs.run-rr || false }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Changed cookie-related files
         if: github.event_name == 'pull_request'
diff --git a/.github/workflows/reusable-cookie.yml b/.github/workflows/reusable-cookie.yml
index e352b629..f0568e75 100644
--- a/.github/workflows/reusable-cookie.yml
+++ b/.github/workflows/reusable-cookie.yml
@@ -13,7 +13,7 @@ jobs:
     name: Format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Lint all
         run: pipx run nox -s 'lint'
@@ -32,7 +32,7 @@ jobs:
             runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: actions/setup-python@v5
         with:
@@ -102,7 +102,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: actions/setup-python@v5
         with:
@@ -169,7 +169,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Build sdist and wheel
         run: pipx run nox -s dist
diff --git a/.github/workflows/reusable-rr-tests.yml b/.github/workflows/reusable-rr-tests.yml
index bf7a9a14..ed521726 100644
--- a/.github/workflows/reusable-rr-tests.yml
+++ b/.github/workflows/reusable-rr-tests.yml
@@ -19,7 +19,7 @@ jobs:
         runs-on: [ubuntu-latest, macos-14, windows-latest]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -39,7 +39,7 @@ jobs:
     name: Action
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -50,7 +50,7 @@ jobs:
     name: Run cog on README
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -69,7 +69,7 @@ jobs:
     name: Run pylint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0