diff --git a/Documentation/sphinx/requirements.txt b/Documentation/sphinx/requirements.txt
index 742be3e12619..4bf395817050 100644
--- a/Documentation/sphinx/requirements.txt
+++ b/Documentation/sphinx/requirements.txt
@@ -1,3 +1,3 @@
 docutils==0.12
-Sphinx==1.4.9
+Sphinx==3.0.4
 sphinx_rtd_theme