diff --git a/setup.py b/setup.py
index c6d1e73..51d96a5 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
     from distutils.core import setup, Extension, Command
 
 
-dependencies = ['tornado >= 4.0, <6.0', ]
+dependencies = ['tornado >= 4.0, <=6.2', ]
 psycopg2_impl = os.environ.get('MOMOKO_PSYCOPG2_IMPL', 'psycopg2')
 
 if psycopg2_impl == 'psycopg2cffi':