diff --git a/.github/workflows/publish-to-testpypi.yml b/.github/workflows/publish-to-testpypi.yml
index 5e54f12..ba99e72 100644
--- a/.github/workflows/publish-to-testpypi.yml
+++ b/.github/workflows/publish-to-testpypi.yml
@@ -26,6 +26,7 @@ jobs:
 
       - name: Build a binary wheel and a source tarball
         run: >-
+          pip install toml 
           python dev.py
           python -m
           build