diff --git a/requirements_docs.txt b/requirements_docs.txt
index 7ed9c3b77b4..df88ba8fb58 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -1,2 +1,3 @@
 Sphinx==1.4.6
 sphinx-autodoc-typehints==1.1.0
+sphinx-autodoc-annotation==1.0.post1