diff --git a/Documentation/requirements.txt b/Documentation/requirements.txt
index dd45615a8ddea..a63d206857ea8 100644
--- a/Documentation/requirements.txt
+++ b/Documentation/requirements.txt
@@ -17,7 +17,7 @@ requests==2.25.1
 semver==2.9.0
 six==1.15.0
 snowballstemmer==1.2.1
-Sphinx==1.8.1
+Sphinx==3.0.4
 sphinx-autobuild==0.7.1
 # forked read the docs themez
 git+https://github.com/cilium/sphinx_rtd_theme.git@v0.7; platform_machine != "aarch64"