diff --git a/docs/requirements.txt b/docs/requirements.txt
index d0d4a0657cc3406e5712e2123723c5eb8361dbb1..0c8f4ee69fa025ae088deaeecd8d0d8dc5c24147 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -33,7 +33,7 @@ pygments==2.10.0
     # via sphinx
 pyparsing==2.4.7
     # via packaging
-pytz==2021.1
+pytz==2021.3
     # via babel
 recommonmark==0.7.1
     # via -r requirements.in