diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 2b1dda732..3937d85e0 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Doxygen Action
       uses: mattnotmitt/doxygen-action@1.12.0
       with:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f2611e77d..ca2562d04 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -48,7 +48,7 @@ jobs:
           mono-version: latest
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
diff --git a/.github/workflows/nuget-preview.yml b/.github/workflows/nuget-preview.yml
index 4d1476560..6de97d50e 100644
--- a/.github/workflows/nuget-preview.yml
+++ b/.github/workflows/nuget-preview.yml
@@ -21,7 +21,7 @@ jobs:
           echo "DATE_VER=$(date "+%Y-%m-%d")" >> $GITHUB_ENV
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5