diff --git a/HISTORY.rst b/HISTORY.rst
index 4396744..7bbf149 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -1,8 +1,13 @@
-v1.5.2
+v1.5.3
 ======
 
 * Updated requirements to streamline installation.
 
+v1.5.2
+======
+
+* Never released.
+
 v1.5.1
 ======
 
diff --git a/docs/conf.py b/docs/conf.py
index 64c24cf..88af7e1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -60,7 +60,7 @@
 # The short X.Y version.
 version = '1.5'
 # The full version, including alpha/beta/rc tags.
-release = '1.5.2'
+release = '1.5.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/orca/__init__.py b/orca/__init__.py
index 3677eab..fcd9ce5 100644
--- a/orca/__init__.py
+++ b/orca/__init__.py
@@ -4,4 +4,4 @@
 
 from .orca import *
 
-version = __version__ = '1.5.2'
+version = __version__ = '1.5.3'
diff --git a/setup.py b/setup.py
index b8436db..211fc82 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@ def run(self):
 
 setup(
     name='orca',
-    version='1.5.2',
+    version='1.5.3',
     description='A pipeline orchestration tool with Pandas support',
     long_description=long_description,
     author='UrbanSim Inc.',