diff --git a/{{ cookiecutter.package_name }}/.coveragerc b/{{ cookiecutter.package_name }}/.coveragerc
index 17874e8..65271cc 100644
--- a/{{ cookiecutter.package_name }}/.coveragerc	
+++ b/{{ cookiecutter.package_name }}/.coveragerc	
@@ -4,6 +4,10 @@ omit =
   {{ cookiecutter.module_name }}/*setup_package*
   {{ cookiecutter.module_name }}/extern/*
   {{ cookiecutter.module_name }}/version*
+{%- if cookiecutter.enable_dynamic_dev_versions == 'y' %}
+  {{ cookiecutter.module_name }}/_dev/*
+  */{{ cookiecutter.module_name }}/_dev/*
+{%- endif %}
   */{{ cookiecutter.module_name }}/conftest.py
   */{{ cookiecutter.module_name }}/*setup_package*
   */{{ cookiecutter.module_name }}/extern/*