diff --git a/requirements_dev.txt b/requirements_dev.txt
index 56e4545..40e6a53 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ watchdog==0.9.0
 flake8==3.6.0
 tox==3.5.2
 coverage==4.5.1
-Sphinx==1.8.2
+Sphinx==2.0.1
 twine==1.12.1
 
 pytest==3.10.0