diff --git a/docs/requirements.txt b/docs/requirements.txt
index 43a27cd3a1..b443f607e5 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 -r ../requirements.txt
-sphinx==2.2.0
+sphinx==2.2.1
 sphinx_rtd_theme==0.4.3
 sphinxcontrib-svg2pdfconverter