diff --git a/.github/workflows/cd-pypi.yml b/.github/workflows/cd-pypi.yml
index 1126edc..a79fb8c 100644
--- a/.github/workflows/cd-pypi.yml
+++ b/.github/workflows/cd-pypi.yml
@@ -10,6 +10,12 @@ on:
         type: boolean
         required: false
         default: false
+      work-directory:
+        description: Working directory to build Python package (for monorepos).
+          Defaults to root directory.
+        type: string
+        required: false
+        default: "./"
 
 jobs:
   deploy:
@@ -65,6 +71,7 @@ jobs:
           TWINE_USERNAME: __token__
           TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
         run: |
+          cd ${{ inputs.working-directory }}
           python -m build
           twine upload dist/*
 
@@ -74,5 +81,6 @@ jobs:
           TWINE_USERNAME: __token__
           TWINE_PASSWORD: ${{ secrets.PYPI_TEST_API_TOKEN }}
         run: |
+          cd ${{ inputs.working-directory }}
           python -m build
           twine upload --repository testpypi dist/*