diff --git a/.gitignore b/.gitignore
index 1c6827be..104190c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -135,3 +135,6 @@ dmypy.json
 # IDE
 .idea/
 PythonImportHelper-v2-Completion.json
+
+# cpl unittest stuff
+unittests/test_*_playground