diff --git a/rtd-requirements.txt b/rtd-requirements.txt
index 9e943570b..883b3c351 100644
--- a/rtd-requirements.txt
+++ b/rtd-requirements.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
 jinja2
-sphinx==3.4.3
+sphinx==3.5.0
 sphinx_rtd_theme
 sphinxcontrib-autoprogram