diff --git a/setup.py b/setup.py
index f54d9037f..ba846ed57 100644
--- a/setup.py
+++ b/setup.py
@@ -85,7 +85,7 @@ setup(
         "tornado>=4.3, <4.5",
         "urwid>=1.3.1, <1.4",
         "watchdog>=0.8.3, <0.9",
-        "brotlipy>=0.3.0, <0.5",
+        "brotlipy>=0.5.1, <0.6",
     ],
     extras_require={
         ':sys_platform == "win32"': [