diff --git a/.github/workflows/build_wheels.yml b/.github/workflows/build_wheels.yml
index 28b6b0c..0c4005c 100644
--- a/.github/workflows/build_wheels.yml
+++ b/.github/workflows/build_wheels.yml
@@ -12,6 +12,10 @@ on:
 
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   # Only support 64-bit CPython >= 3.7
   # VTK does not currently build python 3.8 arm64 wheels, so skip it too
diff --git a/.gitignore b/.gitignore
index 259148f..a284b2d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,32 +1,17 @@
-# Prerequisites
-*.d
+# VTKCleaver
+_skbuild
+_deps
+vtk-wheel-sdk-build
+vtk-wheel-sdk-subbuild
+vtkexternalmodule-build
+vtkexternalmodule-subbuild
 
-# Compiled Object files
-*.slo
-*.lo
-*.o
-*.obj
+# Cleaver
+debug.dump
 
-# Precompiled Headers
-*.gch
-*.pch
-
-# Compiled Dynamic libraries
-*.so
-*.dylib
-*.dll
-
-# Fortran module files
-*.mod
-*.smod
-
-# Compiled Static libraries
-*.lai
-*.la
-*.a
-*.lib
-
-# Executables
-*.exe
-*.out
-*.app
+# Python
+wheelhouse
+.venv
+__pycache__
+*.egg-info
+dist/