diff --git a/.github/workflows/CI_build.yml b/.github/workflows/CI_build.yml
index f454dd9..d8e678c 100644
--- a/.github/workflows/CI_build.yml
+++ b/.github/workflows/CI_build.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Add msbuild to PATH
       uses: microsoft/setup-msbuild@v2.0.0
diff --git a/.github/workflows/CI_validate.yml b/.github/workflows/CI_validate.yml
index 952e04c..f0d3a4f 100644
--- a/.github/workflows/CI_validate.yml
+++ b/.github/workflows/CI_validate.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Add msbuild to PATH
       uses: microsoft/setup-msbuild@v2.0.0