diff --git a/benchmark/btb_benchmark/__init__.py b/benchmark/btb_benchmark/__init__.py
index 20fa130..d9d1b29 100644
--- a/benchmark/btb_benchmark/__init__.py
+++ b/benchmark/btb_benchmark/__init__.py
@@ -4,5 +4,5 @@
 
 __author__ = """MIT Data To AI Lab"""
 __email__ = 'dailabmit@gmail.com'
-__version__ = '0.4.0.dev0'
+__version__ = '0.4.0'
 __all__ = ('run_benchmark', )
diff --git a/benchmark/setup.py b/benchmark/setup.py
index 0d0212c..0a3b72f 100644
--- a/benchmark/setup.py
+++ b/benchmark/setup.py
@@ -137,6 +137,6 @@ def github_dependency(user, name, commit):
     test_suite='tests',
     tests_require=tests_require,
     url='https://github.com/HDI-Project/BTB',
-    version='0.4.0.dev0',
+    version='0.4.0',
     zip_safe=False,
 )
diff --git a/btb/__init__.py b/btb/__init__.py
index a17c64c..1fdfd0a 100644
--- a/btb/__init__.py
+++ b/btb/__init__.py
@@ -6,5 +6,5 @@
 
 __author__ = """MIT Data To AI Lab"""
 __email__ = 'dailabmit@gmail.com'
-__version__ = '0.4.0.dev0'
+__version__ = '0.4.0'
 __all__ = ('BTBSession', )
diff --git a/setup.cfg b/setup.cfg
index 1bab2ed..2809176 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.4.0.dev0
+current_version = 0.4.0
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<candidate>\d+))?
diff --git a/setup.py b/setup.py
index 68fa68e..b3b8e2d 100644
--- a/setup.py
+++ b/setup.py
@@ -112,6 +112,6 @@
     test_suite='tests',
     tests_require=tests_require,
     url='https://github.com/MLBazaar/BTB',
-    version='0.4.0.dev0',
+    version='0.4.0',
     zip_safe=False,
 )