diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7645e8f..d68f5e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install pytest pycodestyle pyright
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - name: Lint with PyCodeStyle
         run: |
           find . -name \*.py -exec pycodestyle {} +