diff --git a/docs/requirements.txt b/docs/requirements.txt
index b3015c81..7b7fcdd1 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==3.2.1
+sphinx==4.5.0
 sphinx-rtd-theme==0.5.0
 sphinxemoji==0.1.8
 docutils==0.17.1