diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index 8afcd9b802..bfbe0bbf10 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v4
       with:
diff --git a/.github/workflows/nuget-package-tests.yml b/.github/workflows/nuget-package-tests.yml
index bd214e827b..01be480991 100644
--- a/.github/workflows/nuget-package-tests.yml
+++ b/.github/workflows/nuget-package-tests.yml
@@ -17,7 +17,7 @@ jobs:
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4
         with:
diff --git a/.github/workflows/publish_docker.yml b/.github/workflows/publish_docker.yml
index 126b262b84..51635ba662 100644
--- a/.github/workflows/publish_docker.yml
+++ b/.github/workflows/publish_docker.yml
@@ -15,7 +15,7 @@ jobs:
       contents: read    # This is required for actions/checkout to succeed
     environment: Docker
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Azure login
       uses: azure/login@v2
       with:
diff --git a/.github/workflows/test_docker.yml b/.github/workflows/test_docker.yml
index c1e9aead4a..3a36f3438c 100644
--- a/.github/workflows/test_docker.yml
+++ b/.github/workflows/test_docker.yml
@@ -26,7 +26,7 @@ jobs:
         flavor: [jammy, noble]
         runs-on: [ubuntu-24.04, ubuntu-24.04-arm]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v4
       with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 60b18595c0..348c504875 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,7 +21,7 @@ jobs:
         browser: [chromium, firefox, webkit]
         os: [windows-latest, ubuntu-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4
         with:
diff --git a/.github/workflows/tests_harness.yml b/.github/workflows/tests_harness.yml
index d9cc0d23f6..d1329404b0 100644
--- a/.github/workflows/tests_harness.yml
+++ b/.github/workflows/tests_harness.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 45
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4
         with:
diff --git a/.github/workflows/validate-nuget-packages.yml b/.github/workflows/validate-nuget-packages.yml
index 9140b5a16f..4cb06c1fd7 100644
--- a/.github/workflows/validate-nuget-packages.yml
+++ b/.github/workflows/validate-nuget-packages.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v4
       with: