diff --git a/requirements_docs.txt b/requirements_docs.txt
index 1a809c2fb8510..cd2eb1a0be60c 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -1,3 +1,3 @@
-Sphinx==1.7.8
+Sphinx==1.8.1
 sphinx-autodoc-typehints==1.3.0
 sphinx-autodoc-annotation==1.0.post1