diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index cd673c45..ff6f86a3 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -20,7 +20,7 @@ jobs:
       run: cmake -E make_directory mdspan-build
       
     - name: Check Out
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         repository: kokkos/mdspan
         path: mdspan-src
@@ -58,7 +58,7 @@ jobs:
       run: cmake -E make_directory stdblas-build
         
     - name: Check Out
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         path: stdblas-src
         
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index bb505181..4f2ff4c5 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Check Out mdspan
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         repository: kokkos/mdspan
         path: mdspan-src
@@ -33,7 +33,7 @@ jobs:
       run: cmake --install $GITHUB_WORKSPACE/mdspan-build
 
     - name: Check Out
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         path: stdblas-src