diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index efe3ef03..18aa3722 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -24,6 +24,7 @@ jobs:
           cython
           packaging
           numpy
+          pkgconfig
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}