diff --git a/requirements.txt b/requirements.txt
index 7006d9c..46fd818 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ watchdog==0.8.3
 flake8==2.6.0
 tox==2.3.1
 coverage==4.1
-Sphinx==1.4.8
+Sphinx==2.2.2
 mock==2.0.0
 beautifulsoup4==4.4.1
 lxml==4.2.5