diff --git a/setup.py b/setup.py
index 904bce2d00fb..ccb9f3d6e11e 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@
     'voice': ['PyNaCl==1.3.0'],
     'docs': [
         'sphinx==1.8.5',
-        'sphinxcontrib_trio==1.1.0',
+        'sphinxcontrib_trio==1.1.1',
         'sphinxcontrib-websupport',
     ]
 }