diff --git a/.github/workflows/default.yml b/.github/workflows/default.yml
index be6e24d..15896a2 100644
--- a/.github/workflows/default.yml
+++ b/.github/workflows/default.yml
@@ -152,7 +152,7 @@ jobs:
       - name: Install Python dependencies
         run: |
           venv\Scripts\Activate.ps1
-          pip install -U setuptools wheel pip
+          pip install -U setuptools wheel pip pillow
           pip install -r requirements.txt
           pip install https://github.com/pyinstaller/pyinstaller/tarball/develop