--- mitmproxy-v2.0.2-src.org/setup.py	2017-08-28 07:31:51.727424688 +0100
+++ mitmproxy-v2.0.2-src/setup.py	2017-08-28 07:35:55.608919302 +0100
@@ -78,7 +78,7 @@
         "pyperclip>=1.5.22, <1.6",
         "requests>=2.9.1, <3",
         "ruamel.yaml>=0.13.2, <0.14",
-        "tornado>=4.3, <4.5",
+        "tornado>=4.3, <4.6",
         "urwid>=1.3.1, <1.4",
         "watchdog>=0.8.3, <0.9",
         "brotlipy>=0.5.1, <0.7",