diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 44b078e..39da1bc 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -38,12 +38,12 @@ jobs:
 
     - name: Run pip install
       shell: bash -l {0}
-      run: pip install ./jupyter-widget-testwidgets
+      run: python -m pip install ./jupyter-widget-testwidgets
 
     - name: Test install
       shell: bash -l {0}
       run: |
-           test -d $CONDA_PREFIX/share/jupyter/nbextensions/jupyter-widget-testwidgets
-           test -f $CONDA_PREFIX/etc/jupyter/nbconfig/notebook.d/jupyter-widget-testwidgets.json
-           test -d $CONDA_PREFIX/share/jupyter/labextensions/jupyter-widget-testwidgets
-           test -f $CONDA_PREFIX/share/jupyter/labextensions/jupyter-widget-testwidgets/package.json
+           test -d $CONDA_PREFIX/share/jupyter/nbextensions/@jupyter-widgets/jupyter-widget-testwidgets
+           test -f $CONDA_PREFIX/etc/jupyter/nbconfig/notebook.d/jupyter_widget_example.json
+           test -d $CONDA_PREFIX/share/jupyter/labextensions/@jupyter-widgets/jupyter-widget-testwidgets
+           test -f $CONDA_PREFIX/share/jupyter/labextensions/@jupyter-widgets/jupyter-widget-testwidgets/package.json
diff --git a/tests/testconfig.yml b/tests/testconfig.yml
index db155d1..01595f3 100644
--- a/tests/testconfig.yml
+++ b/tests/testconfig.yml
@@ -3,6 +3,6 @@ default_context:
     author_email: "testwidget@example.com"
     github_project_name: "jupyter-widget-testwidgets"
     github_organization_name: "jupyter"
-    npm_package_name: "jupyter-widget-testwidgets"
+    npm_package_name: "@jupyter-widgets/jupyter-widget-testwidgets"
     npm_package_version: "1.1.0"
     project_short_description: "A Test Jupyter Widget Library"
diff --git a/{{cookiecutter.github_project_name}}/MANIFEST.in b/{{cookiecutter.github_project_name}}/MANIFEST.in
index bf307a2..4c2b98f 100644
--- a/{{cookiecutter.github_project_name}}/MANIFEST.in
+++ b/{{cookiecutter.github_project_name}}/MANIFEST.in
@@ -5,7 +5,7 @@ graft js
 graft tests
 prune **/node_modules
 
-include {{ cookiecutter.npm_package_name }}.json
+include {{ cookiecutter.python_package_name }}.json
 
 include LICENSE
 include setup.py
diff --git a/{{cookiecutter.github_project_name}}/setup.py b/{{cookiecutter.github_project_name}}/setup.py
index a36ed14..84034a1 100644
--- a/{{cookiecutter.github_project_name}}/setup.py
+++ b/{{cookiecutter.github_project_name}}/setup.py
@@ -36,7 +36,7 @@
     ('share/jupyter/nbextensions/{{ cookiecutter.npm_package_name }}', '{{ cookiecutter.python_package_name }}/nbextension', '*.*'),
     ('share/jupyter/labextensions/{{ cookiecutter.npm_package_name }}', '{{ cookiecutter.python_package_name }}/labextension', "**"),
     ("share/jupyter/labextensions/{{ cookiecutter.npm_package_name }}", '.', "install.json"),
-    ('etc/jupyter/nbconfig/notebook.d', '.', '{{ cookiecutter.npm_package_name }}.json'),
+    ('etc/jupyter/nbconfig/notebook.d', '.', '{{ cookiecutter.python_package_name }}.json'),
 ]
 
 cmdclass = create_cmdclass('jsdeps', data_files_spec=data_files_spec)
diff --git a/{{cookiecutter.github_project_name}}/{{cookiecutter.npm_package_name}}.json b/{{cookiecutter.github_project_name}}/{{cookiecutter.python_package_name}}.json
similarity index 100%
rename from {{cookiecutter.github_project_name}}/{{cookiecutter.npm_package_name}}.json
rename to {{cookiecutter.github_project_name}}/{{cookiecutter.python_package_name}}.json