diff --git a/README.md b/README.md
index cf01430c..f1538963 100644
--- a/README.md
+++ b/README.md
@@ -136,6 +136,7 @@ jobs:
           - os: "windows-latest"
             compiler: "msvc"
     steps:
+      - uses: actions/checkout@v2
       - name: Cache
         uses: actions/cache@v2
         with: