diff --git a/requirements_docs.txt b/requirements_docs.txt
index 1efe929d666b9b051711f98c28118f4206dc1a95..eca1abdb365a368a61488f7b9819782409d7a8b2 100644
--- a/requirements_docs.txt
+++ b/requirements_docs.txt
@@ -1,3 +1,3 @@
-Sphinx==1.8.4
+Sphinx==1.8.5
 sphinx-autodoc-typehints==1.6.0
 sphinx-autodoc-annotation==1.0.post1
\ No newline at end of file