diff --git a/Documentation/sphinx/requirements.txt b/Documentation/sphinx/requirements.txt
index 742be3e126194..0dfbbed0f2c71 100644
--- a/Documentation/sphinx/requirements.txt
+++ b/Documentation/sphinx/requirements.txt
@@ -1,3 +1,3 @@
 docutils==0.12
-Sphinx==1.4.9
+Sphinx==3.3.0
 sphinx_rtd_theme