diff --git a/setup.py b/setup.py
index d51e7829298b2114711d54fac298b15336a423dc..e1d39458ea8d1b0b17ea12a82ebd7133b27b045a 100755
--- a/setup.py
+++ b/setup.py
@@ -47,9 +47,9 @@ from setuptools import find_packages, setup
 
 MAJOR = 0
 MINOR = 5
-MICRO = 2
+MICRO = 3
 PRE = ""  # e.g. rc0, alpha.1, 0.beta-23
-ISRELEASED = True
+ISRELEASED = False
 
 if PRE:
     VERSION = "{}.{}.{}-{}".format(MAJOR, MINOR, MICRO, PRE)