diff --git a/requirements_docs.txt b/requirements_docs.txt
index 5041699e03..c5c48e0bc7 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -1,3 +1,3 @@
-Sphinx==1.6.6
+Sphinx==1.6.7
 sphinx-autodoc-typehints==1.2.4
 sphinx-autodoc-annotation==1.0.post1