diff --git a/.github/workflows/Line_Endings.yml b/.github/workflows/Line_Endings.yml
index 294115df59..727191e5b1 100644
--- a/.github/workflows/Line_Endings.yml
+++ b/.github/workflows/Line_Endings.yml
@@ -21,7 +21,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Check for CRLF line endings
         run: |
diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 13d8cc534a..3a608b698e 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -93,7 +93,7 @@ jobs:
         sudo apt-get -y update
         sudo apt-get -y install libopenmpi-dev openmpi-bin
 
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - run: git config --global --add safe.directory /__w/fds/fds
 
     - name: set linux-gnu compiler
@@ -167,7 +167,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: install openmpi
         run: brew install gcc@15 open-mpi
@@ -245,7 +245,7 @@ jobs:
         shell: cmd
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
       # install oneapi components from web installer based on
       # oneapi-ci/scripts/install_windows.bat
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 7d329f936f..f182d46d44 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -39,7 +39,7 @@ jobs:
           mkl@2026.0.0
         prune: false       
          
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: build fds debug
       run: |
@@ -74,7 +74,7 @@ jobs:
           mkl@2025.1.0
         prune: false  
 
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: build fds debug
       run: |
         source /opt/intel/oneapi/setvars.sh
@@ -96,7 +96,7 @@ jobs:
     runs-on: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/osx.yml b/.github/workflows/osx.yml
index ddb1fe2778..b5c8c036d2 100644
--- a/.github/workflows/osx.yml
+++ b/.github/workflows/osx.yml
@@ -34,7 +34,7 @@ jobs:
         shell: bash
         
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: install openmpi
       run: |
         brew install gcc@15 open-mpi
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 7af7908dab..0e7a8a4f3f 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -42,7 +42,7 @@ jobs:
         shell: cmd
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
       # install oneapi components from web installer based on
       # oneapi-ci/scripts/install_windows.bat