diff --git a/api/requirements/base.txt b/api/requirements/base.txt
index 143d93db354b90b963132607aa7753de6913b02f..9048ee198f5081eddd83632c86e464cd47918848 100644
--- a/api/requirements/base.txt
+++ b/api/requirements/base.txt
@@ -11,7 +11,7 @@ django-allauth~=0.42.0
 psycopg2-binary~=2.8.0
 
 # Time zones support
-pytz==2021.1
+pytz==2020.1
 
 # Redis support
 django-redis~=4.12.0