diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e84bad5..a757a12 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Install Python toolchain
       uses: actions/setup-python@v5
       with:
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Install Python toolchain
       uses: actions/setup-python@v5
       with:
@@ -94,7 +94,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Install Python toolchain
       uses: actions/setup-python@v5
       with:
@@ -122,7 +122,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Install Python toolchain
       uses: actions/setup-python@v5
       with:
@@ -161,7 +161,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Install Python toolchain
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 6ff5267..d5abec6 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
       with:
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a01208a..53fcd4a 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Install Python toolchain
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index aecd36e..5167231 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
       new_tag_name: ${{ steps.get_new_tag.outputs.new_tag_name }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: '0'   # get all history
         ref: ${{ github.event.pull_request.base.ref }}
@@ -135,7 +135,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.base.ref }}
     - name: Snapcraft
@@ -176,7 +176,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.base.ref }}
     - name: Install Python toolchain
@@ -222,7 +222,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.base.ref }}
     - name: Install Python toolchain