diff --git a/.github/workflows/ci-test-dev-matrix.yml b/.github/workflows/ci-test-dev-matrix.yml
index 8f36e9e..f12f79c 100644
--- a/.github/workflows/ci-test-dev-matrix.yml
+++ b/.github/workflows/ci-test-dev-matrix.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Python 3.14
         uses: actions/setup-python@v5