diff --git a/setup.py b/setup.py
index 383fc5159..889a0a758 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 MAJOR = 1
 MINOR = 16
 MICRO = 0
-IS_RELEASED = True
+IS_RELEASED = False
 VERSION = '%d.%d.%d' % (MAJOR, MINOR, MICRO)
 FULL_VERSION = VERSION