diff --git a/setup.py b/setup.py
index c416081..7fe422d 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
 ]
 
 EXTRAS = {
-    "dev": ['setuptools', 'wheel', 'twine', 'pylint', 'flake8', 'flake8-isort', 'black'],
+    "dev": ['setuptools', 'wheel', 'twine', 'pylint', 'flake8', 'flake8-isort', 'black', 'bump2version'],
 }
 
 HERE = os.path.abspath(os.path.dirname(__file__))