diff --git a/conda/meta.yaml b/conda/meta.yaml
index 88184776..ec8bfa70 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = 'copulas' %}
-{% set version = '0.5.0' %}
+{% set version = '0.5.1.dev0' %}
 
 package:
   name: "{{ name|lower }}"
diff --git a/copulas/__init__.py b/copulas/__init__.py
index 10eebc1a..cfa034b4 100644
--- a/copulas/__init__.py
+++ b/copulas/__init__.py
@@ -4,7 +4,7 @@
 
 __author__ = 'MIT Data To AI Lab'
 __email__ = 'dailabmit@gmail.com',
-__version__ = '0.5.0'
+__version__ = '0.5.1.dev0'
 
 import contextlib
 import importlib
diff --git a/setup.cfg b/setup.cfg
index d615d5df..bebe45b5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.5.0
+current_version = 0.5.1.dev0
 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 5171f598..2b818aee 100644
--- a/setup.py
+++ b/setup.py
@@ -110,6 +110,6 @@
     test_suite='tests',
     tests_require=tests_require,
     url='https://github.com/sdv-dev/Copulas',
-    version='0.5.0',
+    version='0.5.1.dev0',
     zip_safe=False,
 )