diff --git a/imblearn/_version.py b/imblearn/_version.py
index c0fef945a..471828fab 100644
--- a/imblearn/_version.py
+++ b/imblearn/_version.py
@@ -22,4 +22,4 @@
 # 'X.Y.dev0' is the canonical version of 'X.Y.dev'
 #
 
-__version__ = "0.12.0"
+__version__ = "0.12.1"
diff --git a/setup.cfg b/setup.cfg
index b14c9e447..dc86a1e0b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.12.0
+current_version = 0.12.1
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<dev>\d+))?
 serialize =