diff --git a/setup.py b/setup.py
index 34f1d398f57a..80866d558f73 100755
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,7 @@
 MAJOR               = 1
 MINOR               = 20
 MICRO               = 0
-ISRELEASED          = False
+ISRELEASED          = True
 VERSION             = '%d.%d.%d' % (MAJOR, MINOR, MICRO)
 
 # The first version not in the `Programming Language :: Python :: ...` classifiers above