diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index be8df67..a21f557 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -4,6 +4,9 @@ on:
   push:
   pull_request:
 
+# only allow one job to run
+concurrency: general_workflow
+
 jobs:
   checks:
     runs-on: macos-latest
diff --git a/.github/workflows/deploy_pypi.yml b/.github/workflows/deploy_pypi.yml
index 7938cbf..31127dc 100644
--- a/.github/workflows/deploy_pypi.yml
+++ b/.github/workflows/deploy_pypi.yml
@@ -23,7 +23,7 @@ jobs:
         pip install -e .
     - name: Build and publish
       env:
-        TWINE_USERNAME: ci_dcor
+        TWINE_USERNAME: __token__
         TWINE_PASSWORD: ${{ secrets.PYPI_PWD }}
       run: |
         python setup.py sdist bdist_wheel