diff --git a/.github/workflows/update-dependencies.yaml b/.github/workflows/update-dependencies.yaml
index e6050c1..d684883 100644
--- a/.github/workflows/update-dependencies.yaml
+++ b/.github/workflows/update-dependencies.yaml
@@ -15,7 +15,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-        ref: master
+        with:
+          ref: master
       - name: Set up Python
         uses: actions/setup-python@v4
         with: