diff --git a/setup.py b/setup.py
index e9708997d297..a456d96735f2 100755
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,7 @@
 MAJOR = 1
 MINOR = 6
 MICRO = 0
-ISRELEASED = False
+ISRELEASED = True
 VERSION = '%d.%d.%drc2' % (MAJOR, MINOR, MICRO)