diff --git a/docs_requirements.txt b/docs_requirements.txt
index 72ddf1b5..a4b60be8 100644
--- a/docs_requirements.txt
+++ b/docs_requirements.txt
@@ -1,2 +1,2 @@
 sphinx_rtd_theme~=0.5.0
-sphinx~=3.4.2
+sphinx~=3.5.2