diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 43c3bc8..e994cd7 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.11.15
+current_version = 4.12.0
 commit = True
 tag = True
 tag_name = {new_version}
diff --git a/mutant/__init__.py b/mutant/__init__.py
index 5e00c2d..6b7bede 100644
--- a/mutant/__init__.py
+++ b/mutant/__init__.py
@@ -2,7 +2,7 @@
 import os
 from datetime import datetime
 
-version = "4.11.15"
+version = "4.12.0"
 
 # File work directory
 WD = os.path.dirname(os.path.realpath(__file__))