diff --git a/.github/workflows/analysis-coverage.yml b/.github/workflows/analysis-coverage.yml
index 0780434c..ca4a7120 100644
--- a/.github/workflows/analysis-coverage.yml
+++ b/.github/workflows/analysis-coverage.yml
@@ -26,7 +26,7 @@ jobs:
     name: Analysis
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
@@ -45,7 +45,7 @@ jobs:
     name: Coverage(Linux) • 🐍3.11
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
@@ -90,7 +90,7 @@ jobs:
     name: Coverage(Linux, Pillow-dev) • 🐍3.12
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
@@ -139,7 +139,7 @@ jobs:
       TEST_DECODE_THREADS: 0    # This test fails on GitHub on macOS. We have such enabled test on Cirrus.
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.10'
@@ -176,7 +176,7 @@ jobs:
     name: Coverage(macOS-14) • 🐍3.11
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
@@ -215,7 +215,7 @@ jobs:
       MSYS2_PREFIX: "C:/temp/msys64/mingw64"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.9'
@@ -297,7 +297,7 @@ jobs:
     name: Pi-Heif Coverage(Linux) • 🐍3.13
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Transform to Pi-Heif
         run: cp -r -v ./pi-heif/* .
 
@@ -343,7 +343,7 @@ jobs:
     name: Pi-Heif Test(Linux) • 🐍3.13
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Transform to Pi-Heif
         run: |
           cp -r -v ./pi-heif/* .
@@ -376,7 +376,7 @@ jobs:
     name: Coverage(ImportError)
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
diff --git a/.github/workflows/publish-wheels.yml b/.github/workflows/publish-wheels.yml
index 18a2b54d..588b2367 100644
--- a/.github/workflows/publish-wheels.yml
+++ b/.github/workflows/publish-wheels.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Get tag
         run: |
           RELEASE_VERSION=$(sed -n "s/^__version__.*\"\(.*\)\"$/\\1/p" ./pillow_heif/_version.py)
diff --git a/.github/workflows/test-src-build-linux.yml b/.github/workflows/test-src-build-linux.yml
index 6630e9bd..20755a5e 100644
--- a/.github/workflows/test-src-build-linux.yml
+++ b/.github/workflows/test-src-build-linux.yml
@@ -36,7 +36,7 @@ jobs:
         docker_file: ["Alpine_3_20", "Alpine_3_21", "Almalinux_9", "Debian_12"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -72,7 +72,7 @@ jobs:
         docker_file: ["Alpine_3_20", "Alpine_3_21", "Almalinux_9", "Debian_12"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/test-src-build-macos.yml b/.github/workflows/test-src-build-macos.yml
index be8870ed..64e55264 100644
--- a/.github/workflows/test-src-build-macos.yml
+++ b/.github/workflows/test-src-build-macos.yml
@@ -35,7 +35,7 @@ jobs:
       EXP_PH_LIBHEIF_VERSION: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Uninstall libheif from homebrew
         run: |
           brew uninstall --force --ignore-dependencies imagemagick libheif x265 aom libde265 jpeg-turbo
@@ -60,7 +60,7 @@ jobs:
       EXP_PH_LIBHEIF_VERSION: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
@@ -89,7 +89,7 @@ jobs:
       EXP_PH_LIBHEIF_VERSION: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Transform to Pi-Heif
         run: |
           cp -r -v ./pi-heif/* .
@@ -119,7 +119,7 @@ jobs:
       EXP_PH_LIBHEIF_VERSION: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
diff --git a/.github/workflows/test-src-build-windows.yml b/.github/workflows/test-src-build-windows.yml
index 4b2f6534..4e65e0cd 100644
--- a/.github/workflows/test-src-build-windows.yml
+++ b/.github/workflows/test-src-build-windows.yml
@@ -39,7 +39,7 @@ jobs:
       EXP_PH_LIBHEIF_VERSION: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
@@ -87,7 +87,7 @@ jobs:
       EXP_PH_LIBHEIF_VERSION: ""
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.10'
diff --git a/.github/workflows/test-wheels-pi_heif.yml b/.github/workflows/test-wheels-pi_heif.yml
index 87cc679d..d0dfd0bb 100644
--- a/.github/workflows/test-wheels-pi_heif.yml
+++ b/.github/workflows/test-wheels-pi_heif.yml
@@ -26,7 +26,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Preparing debian
         if: matrix.i['os'] == 'debian' || matrix.i['os'] == 'ubuntu'
@@ -76,7 +76,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Preparing debian
         if: matrix.i['os'] == 'debian' || matrix.i['os'] == 'ubuntu'
@@ -123,7 +123,7 @@ jobs:
         run: Start-Sleep -s 480
         shell: powershell
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -153,7 +153,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -186,7 +186,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -217,7 +217,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -253,7 +253,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/test-wheels.yml b/.github/workflows/test-wheels.yml
index 059bb881..f586bb4f 100644
--- a/.github/workflows/test-wheels.yml
+++ b/.github/workflows/test-wheels.yml
@@ -26,7 +26,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Test type is Full
         run: echo TEST_TYPE="export PH_FULL_ACTION=1" >> $GITHUB_ENV
@@ -78,7 +78,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Test type is Full
         run: echo TEST_TYPE="export PH_FULL_ACTION=1" >> $GITHUB_ENV
@@ -126,7 +126,7 @@ jobs:
         run: Start-Sleep -s 480
         shell: powershell
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -153,7 +153,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -184,7 +184,7 @@ jobs:
         if: ${{ github.event_name != 'workflow_dispatch' }}
         run: sleep 480
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/wheels-pi_heif.yml b/.github/workflows/wheels-pi_heif.yml
index 386b1a1e..d73a91bd 100644
--- a/.github/workflows/wheels-pi_heif.yml
+++ b/.github/workflows/wheels-pi_heif.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
@@ -63,7 +63,7 @@ jobs:
       MSYS2_PREFIX: "C:/temp/msys64/mingw64"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
@@ -121,7 +121,7 @@ jobs:
     runs-on: macos-13
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Transform to Pi-Heif
         run: |
           cp -r -v ./pi-heif/* .
@@ -166,7 +166,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Transform to Pi-Heif
         run: |
           cp -r -v ./pi-heif/* .
@@ -211,7 +211,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Transform to Pi-Heif
         run: |
           cp -r -v ./pi-heif/* .
@@ -252,7 +252,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
diff --git a/.github/workflows/wheels-pillow_heif.yml b/.github/workflows/wheels-pillow_heif.yml
index 2bb1a3f7..ebb9e63c 100644
--- a/.github/workflows/wheels-pillow_heif.yml
+++ b/.github/workflows/wheels-pillow_heif.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'
@@ -57,7 +57,7 @@ jobs:
       MSYS2_PREFIX: "C:/temp/msys64/mingw64"
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.11'
@@ -112,7 +112,7 @@ jobs:
     runs-on: macos-13
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Uninstall libheif from homebrew
         run: brew uninstall --force --ignore-dependencies imagemagick libheif x265 aom libde265 jpeg-turbo
@@ -153,7 +153,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: musllinux preparations
         if: matrix.cibw_buildlinux == 'musllinux'
         run: echo INSTALL_OS_PACKAGES="apk update && apk --no-cache add $OS_PACKAGES" >> $GITHUB_ENV
@@ -200,7 +200,7 @@ jobs:
     runs-on: ubuntu-24.04-arm
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: musllinux preparations
         if: matrix.cibw_buildlinux == 'musllinux'
         run: echo INSTALL_OS_PACKAGES="apk update && apk --no-cache add $OS_PACKAGES" >> $GITHUB_ENV
@@ -243,7 +243,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'