diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8fe6292..f487111 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==3.4.0
+sphinx==3.4.1
 sphinx-prompt==1.3.0
 sphinx-tabs==1.3.0
 sphinx-rtd-theme==0.5.0