diff --git a/ribotricer/__init__.py b/ribotricer/__init__.py
index 7b7a239..4b6e54e 100644
--- a/ribotricer/__init__.py
+++ b/ribotricer/__init__.py
@@ -1,4 +1,4 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 __author__ = "Saket Choudhary, Wenzheng Li"
-__version__ = "1.4.0-dev0"
+__version__ = "1.4.0"
diff --git a/setup.cfg b/setup.cfg
index d015bfa..80ada03 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.4.0-dev0
+current_version = 1.4.0
 commit = True
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\-(?P<release>[a-z]+)(?P<build>\d+))?
diff --git a/setup.py b/setup.py
index 5481eab..1de0a99 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
 
 setuptools.setup(
     name="ribotricer",
-    version="1.4.0-dev0",
+    version="1.4.0",
     author="Saket Choudhary, Wenzheng Li",
     author_email="saketkc@gmail.com",
     maintainer="Saket Choudhary",