diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index adcbc08..db099d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: true
 
@@ -75,7 +75,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: true
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9ba854a..14f2274 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: setup dotnet
       uses: actions/setup-dotnet@v5