diff --git a/requirements_dev.txt b/requirements_dev.txt
index c195455..4e10a4a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ bumpversion==0.5.3
 wheel==0.31.0
 tox==2.9.1
 flake8==3.5.0
-Sphinx==1.7.2
+Sphinx==2.2.0
 coverage==4.5.1
 pyyaml>=4.2b1
 pytest==3.5.0