diff --git a/docs/requirements.txt b/docs/requirements.txt
index 41ad04b8b..cfda412f6 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,7 @@
 # This file is used to setup env
 # to generate documentation.
 
-sphinx==1.7.9
+sphinx==1.8.0
 sphinxcontrib-napoleon==0.6.1
 sphinx_autodoc_typehints==1.3.0
 recommonmark==0.4.0