diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d1298b6..1cf7737 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,5 +13,5 @@ jobs:
       image: python:3.11
     steps:
       - uses: actions/checkout@v3
-      - run: pip install invoke yaml
+      - run: pip install invoke pyyaml
       - run: invoke test