diff --git a/.github/workflows/_lint.yml b/.github/workflows/_lint.yml
index ed27adf..be20916 100644
--- a/.github/workflows/_lint.yml
+++ b/.github/workflows/_lint.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python ${{ inputs.python-version }} + uv
         uses: "./.github/actions/uv_setup"
diff --git a/.github/workflows/_test.yml b/.github/workflows/_test.yml
index 18142f8..7c7db16 100644
--- a/.github/workflows/_test.yml
+++ b/.github/workflows/_test.yml
@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 20
     name: "make test #${{ inputs.python-version }}"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python ${{ inputs.python-version }} + uv
         uses: "./.github/actions/uv_setup"
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f737005..9a241fc 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -57,7 +57,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Add any setup steps before running the `github/codeql-action/init` action.
     # This includes steps like installing compilers or runtimes (`actions/setup-node`
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 949655b..87a3540 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:
       version: ${{ steps.check-version.outputs.version }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python + uv
         uses: "./.github/actions/uv_setup"
@@ -93,7 +93,7 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python + uv
         uses: "./.github/actions/uv_setup"
@@ -129,7 +129,7 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python + uv
         uses: "./.github/actions/uv_setup"