1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 88d46ec5..d973249f 100644
--- a/setup.py
+++ b/setup.py
@@ -77,7 +77,7 @@ setup(
         "pyperclip>=1.6.0, <1.7",
         "ruamel.yaml>=0.13.2, <0.16",
         "sortedcontainers>=1.5.4, <1.6",
-        "tornado>=4.3, <4.6",
+        "tornado>=4.3,<5.1",
         "urwid>=2.0.1,<2.1",
         "wsproto>=0.11.0,<0.12.0",
     ],