diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 990c8e8ed33..f4cfe398f93 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -63,7 +63,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
 
       - name: Setup vcpkg (Windows)
         run: gh run download -n vcpkg-cache -D C:/vcpkg/installed/
diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index 47bc140376b..132d0db3d9d 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
     - name: Checkout the repository
-      uses: actions/checkout@v4.1.4
+      uses: actions/checkout@v4.1.6
 
     - name: Link Checker
       id: lychee
diff --git a/.github/workflows/ci-caches.yml b/.github/workflows/ci-caches.yml
index d07c13b6b6e..f9e58b94e9a 100644
--- a/.github/workflows/ci-caches.yml
+++ b/.github/workflows/ci-caches.yml
@@ -116,7 +116,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
 
       - name: Download GSHHG and DCW datasets
         run: bash ci/download-coastlines.sh
@@ -135,7 +135,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
 
       - name: Install vcpkg libraries
         run: bash ci/install-dependencies-windows.sh
diff --git a/.github/workflows/code-validator.yml b/.github/workflows/code-validator.yml
index 7dccdd49ae6..5995bf5f3a9 100644
--- a/.github/workflows/code-validator.yml
+++ b/.github/workflows/code-validator.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
 
       - name: Check PSL_strings.h
         run: |
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index a0f69a6c05c..c783070beaa 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -92,7 +92,7 @@ jobs:
           fi
 
       - name: Checkout
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
 
       # Fix the git error:
       # "failed to run git: fatal: detected dubious ownership in repository at '/__w/gmt/gmt'"
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index afae1dc3dd3..6c4e9c76e13 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
 
       - name: Setup vcpkg (Windows)
         run: gh run download -n vcpkg-cache -D C:/vcpkg/installed/
@@ -134,7 +134,7 @@ jobs:
           echo "${INSTALLDIR}/bin" >> $GITHUB_PATH
 
       - name: Checkout the gh-pages branch in a separate folder
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
         with:
           ref: gh-pages
           # Checkout to this folder instead of the current one
diff --git a/.github/workflows/dvc-diff.yml b/.github/workflows/dvc-diff.yml
index 908c88eab91..bf5424c4945 100644
--- a/.github/workflows/dvc-diff.yml
+++ b/.github/workflows/dvc-diff.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4.1.4
+      uses: actions/checkout@v4.1.6
 
     - name: Setup data version control (DVC)
       uses: iterative/setup-dvc@v1.1.2
diff --git a/.github/workflows/lint-checker.yml b/.github/workflows/lint-checker.yml
index a3de420b374..565f03108be 100644
--- a/.github/workflows/lint-checker.yml
+++ b/.github/workflows/lint-checker.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v4.1.4
+      uses: actions/checkout@v4.1.6
 
     - name: Install cppcheck
       run: |
diff --git a/.github/workflows/release-baseline-images.yml b/.github/workflows/release-baseline-images.yml
index 2c515fbd3d3..99482be1111 100644
--- a/.github/workflows/release-baseline-images.yml
+++ b/.github/workflows/release-baseline-images.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4.1.4
+      uses: actions/checkout@v4.1.6
 
     - name: Setup data version control (DVC)
       uses: iterative/setup-dvc@v1.1.2
diff --git a/.github/workflows/remind.yml b/.github/workflows/remind.yml
index a2b62723d6a..d6e3de50de3 100644
--- a/.github/workflows/remind.yml
+++ b/.github/workflows/remind.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4.1.4
+      uses: actions/checkout@v4.1.6
 
     - name: Find and report known failures
       run: |
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b61ce90e5b7..f0115cceef6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -60,7 +60,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.4
+        uses: actions/checkout@v4.1.6
 
       - name: Setup vcpkg (Windows)
         run: gh run download -n vcpkg-cache -D C:/vcpkg/installed/