diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 360d520..5e9972e 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Checkout source
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Set up Python
       uses: actions/setup-python@v2