diff --git a/.copier-answers.yaml b/.copier-answers.yaml
index a0943a5..22ce1db 100644
--- a/.copier-answers.yaml
+++ b/.copier-answers.yaml
@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier
-_commit: 9642da9
+_commit: 2d0c192
 _src_path: https://github.com/python-project-templates/base.git
 add_docs: false
 add_extension: python
diff --git a/.gitignore b/.gitignore
index 07dcf45..2930342 100644
--- a/.gitignore
+++ b/.gitignore
@@ -139,12 +139,15 @@ js/dist
 js/lib
 js/node_modules
 js/*.tgz
+hatch_cpp/extension
 
 # Jupyter
 .ipynb_checkpoints
 .autoversion
-python_template_js/nbextension
-python_template_js/labextension
+!hatch_cpp/extension/hatch_cpp.json
+!hatch_cpp/extension/install.json
+hatch_cpp/nbextension
+hatch_cpp/labextension
 
 # Mac
 .DS_Store