diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 23649486..a6421f28 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       
     - name: Install dependencies
       run: |
diff --git a/.github/workflows/nightly_Linux_distributions.yml b/.github/workflows/nightly_Linux_distributions.yml
index 7dbd059e..0f1ae1c9 100644
--- a/.github/workflows/nightly_Linux_distributions.yml
+++ b/.github/workflows/nightly_Linux_distributions.yml
@@ -33,7 +33,7 @@ jobs:
         CMAKE_FLAGS: -DEXIV2_TEAM_EXTRA_WARNINGS=OFF -DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_ENABLE_CURL=ON -DEXIV2_BUILD_UNIT_TESTS=OFF -DEXIV2_TEAM_WARNINGS_AS_ERRORS=OFF -DCMAKE_INSTALL_PREFIX=install
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install dependencies
         run: ./ci/install_dependencies.sh
       - name: Build and install
diff --git a/.github/workflows/on_PR_linux_fuzz.yml b/.github/workflows/on_PR_linux_fuzz.yml
index 3c1e28f4..9195ae1c 100644
--- a/.github/workflows/on_PR_linux_fuzz.yml
+++ b/.github/workflows/on_PR_linux_fuzz.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         sudo ./ci/install_dependencies.sh
diff --git a/.github/workflows/on_PR_linux_matrix.yml b/.github/workflows/on_PR_linux_matrix.yml
index f47e5457..da86e122 100644
--- a/.github/workflows/on_PR_linux_matrix.yml
+++ b/.github/workflows/on_PR_linux_matrix.yml
@@ -21,7 +21,7 @@ jobs:
         shared_libraries: [ON, OFF]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/on_PR_linux_special_builds.yml b/.github/workflows/on_PR_linux_special_builds.yml
index 945fe29f..023bee7b 100644
--- a/.github/workflows/on_PR_linux_special_builds.yml
+++ b/.github/workflows/on_PR_linux_special_builds.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
           # Trying to deal with warning: ->  Issue detecting commit SHA. Please run actions/checkout with fetch-depth > 1 or set to 0
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
@@ -98,7 +98,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
@@ -131,7 +131,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/on_PR_linux_staticAnalysis.yml b/.github/workflows/on_PR_linux_staticAnalysis.yml
index d4704ad2..c799a82e 100644
--- a/.github/workflows/on_PR_linux_staticAnalysis.yml
+++ b/.github/workflows/on_PR_linux_staticAnalysis.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
           # Trying to deal with warning: ->  Issue detecting commit SHA. Please run actions/checkout with fetch-depth > 1 or set to 0
diff --git a/.github/workflows/on_PR_mac_matrix.yml b/.github/workflows/on_PR_mac_matrix.yml
index 664693d1..3311f290 100644
--- a/.github/workflows/on_PR_mac_matrix.yml
+++ b/.github/workflows/on_PR_mac_matrix.yml
@@ -21,7 +21,7 @@ jobs:
         shared_libraries: [ON, OFF]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/on_PR_mac_special_builds.yml b/.github/workflows/on_PR_mac_special_builds.yml
index f15a97bf..67e76562 100644
--- a/.github/workflows/on_PR_mac_special_builds.yml
+++ b/.github/workflows/on_PR_mac_special_builds.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: macos-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/on_PR_meson.yaml b/.github/workflows/on_PR_meson.yaml
index 7fdcc00d..1eeb6532 100644
--- a/.github/workflows/on_PR_meson.yaml
+++ b/.github/workflows/on_PR_meson.yaml
@@ -15,7 +15,7 @@ jobs:
         cxx: ['7', '10']
         deps: ['enabled', 'disabled']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: awalsh128/cache-apt-pkgs-action@v1
         with:
           packages: g++-${{matrix.cxx}} libcurl4-gnutls-dev libbrotli-dev libinih-dev libgmock-dev libgtest-dev gettext ninja-build
@@ -37,7 +37,7 @@ jobs:
         cxx: ['7', '12']
         deps: ['enabled', 'disabled']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: awalsh128/cache-apt-pkgs-action@v1
         with:
           packages: clang-${{matrix.cxx}} libc++abi-${{matrix.cxx}}-dev libc++-${{matrix.cxx}}-dev lld-${{matrix.cxx}} libcurl4-gnutls-dev libbrotli-dev gettext ninja-build
@@ -61,7 +61,7 @@ jobs:
         deps: ['forcefallback', 'default']
         platform: ['x64', 'x86']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install packages
         run: |
@@ -83,7 +83,7 @@ jobs:
       matrix:
         deps: ['forcefallback', 'default']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install packages
         run: |
@@ -110,7 +110,7 @@ jobs:
       run:
         shell: msys2 {0}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: msys2/setup-msys2@v2
         with:
@@ -137,7 +137,7 @@ jobs:
       matrix:
         deps: ['enabled', 'disabled']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install packages
         run: |
@@ -153,7 +153,7 @@ jobs:
     runs-on: macos-latest
     name: FreeBSD
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: FreeBSD
         uses: vmactions/freebsd-vm@v0
         with:
diff --git a/.github/workflows/on_PR_windows_matrix.yml b/.github/workflows/on_PR_windows_matrix.yml
index 5426cca2..878e80a8 100644
--- a/.github/workflows/on_PR_windows_matrix.yml
+++ b/.github/workflows/on_PR_windows_matrix.yml
@@ -30,7 +30,7 @@ jobs:
         platform: [ x64, x86 ]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Visual Studio shell
         uses: ilammy/msvc-dev-cmd@v1
@@ -94,7 +94,7 @@ jobs:
         shell: msys2 {0}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up MSYS2
         uses: msys2/setup-msys2@v2
@@ -150,7 +150,7 @@ jobs:
       # Make sure we don't check out scripts using Windows CRLF line endings
       - run: git config --global core.autocrlf input
         shell: pwsh
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Cygwin
         uses: cygwin/cygwin-install-action@v4
diff --git a/.github/workflows/on_push_BasicWinLinMac.yml b/.github/workflows/on_push_BasicWinLinMac.yml
index 0db9dea3..360175d1 100644
--- a/.github/workflows/on_push_BasicWinLinMac.yml
+++ b/.github/workflows/on_push_BasicWinLinMac.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: windows-2022
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Visual Studio shell
         uses: ilammy/msvc-dev-cmd@v1
@@ -58,7 +58,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
@@ -87,7 +87,7 @@ jobs:
     runs-on: macos-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/on_push_ExtraJobsForMain.yml b/.github/workflows/on_push_ExtraJobsForMain.yml
index 454a2021..73992ff3 100644
--- a/.github/workflows/on_push_ExtraJobsForMain.yml
+++ b/.github/workflows/on_push_ExtraJobsForMain.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: install dependencies
         run: |
diff --git a/.github/workflows/on_push_clang_format.yml b/.github/workflows/on_push_clang_format.yml
index 54aaf941..a8822b89 100644
--- a/.github/workflows/on_push_clang_format.yml
+++ b/.github/workflows/on_push_clang_format.yml
@@ -7,7 +7,7 @@ jobs:
   clang-format-checking:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: DoozyX/clang-format-lint-action@v0.16
         with:
           source: '.'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ac25a4cc..6bd673d1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
     name: 'Build Linux Release'
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install dependencies
         run: |
@@ -57,7 +57,7 @@ jobs:
     name: 'Build macOS Release'
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install dependencies
         run: |
@@ -95,7 +95,7 @@ jobs:
     name: 'Build Windows Release'
     runs-on: windows-2022
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Visual Studio shell
         uses: ilammy/msvc-dev-cmd@v1