diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 3ecc474..6f28ee5 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.2.1
+current_version = 4.0.0
 commit = True
 tag = True