diff --git a/requirements_docs.txt b/requirements_docs.txt
index f3d712e8da..e3e8942510 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -1,3 +1,3 @@
-Sphinx==1.5.2
+Sphinx==1.5.3
 sphinx-autodoc-typehints==1.1.0
 sphinx-autodoc-annotation==1.0.post1