diff --git a/docs/requirements.txt b/docs/requirements.txt
index ed7677bdb1c86..573db56858e2f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -86,9 +86,9 @@ smmap==4.0.0 \
 snowballstemmer==2.1.0 \
     --hash=sha256:b51b447bea85f9968c13b650126a888aabd4cb4463fca868ec596826325dedc2 \
     --hash=sha256:e997baa4f2e9139951b6f4c631bad912dfd3c792467e2f03d7239464af90e914
-Sphinx==3.5.3 \
-    --hash=sha256:3f01732296465648da43dec8fb40dc451ba79eb3e2cc5c6d79005fd98197107d \
-    --hash=sha256:ce9c228456131bab09a3d7d10ae58474de562a6f79abb3dc811ae401cf8c1abc
+Sphinx==4.0.0 \
+    --hash=sha256:904e02cd0f84bed5d3748358c228ae3df3ad725b9e6cdc2166e17b309ed2e1fa \
+    --hash=sha256:b246ebd74f5fb966d7e90086bbda5ed74ee4d30b4c3cbefddc1fb5210aa317c7
 sphinx-copybutton==0.3.1 \
     --hash=sha256:5125c718e763596e6e52d92e15ee0d6f4800ad3817939be6dee51218870b3e3d \
     --hash=sha256:0e0461df394515284e3907e3f418a0c60ef6ab6c9a27a800c8552772d0a402a2