diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index c27a2ae..0ab46c8 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -16,7 +16,7 @@ jobs:
       webproject-path: './src/GitHubCostVisualizer.Web/GitHubCostVisualizer.Web.csproj'
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/release-build.yml b/.github/workflows/release-build.yml
index ba73041..bc0fe86 100644
--- a/.github/workflows/release-build.yml
+++ b/.github/workflows/release-build.yml
@@ -14,7 +14,7 @@ jobs:
       webproject-path: './src/GitHubCostVisualizer.Web/GitHubCostVisualizer.Web.csproj'
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0