diff --git a/requirements.txt b/requirements.txt
index b975877bc..04d053180 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,6 +27,7 @@ social-auth-app-django==5.0.0
 social-auth-core==4.2.0
 svgwrite==1.4.1
 tablib==3.2.0
+tzdata==2021.5
 
 # Workaround for #7401
 jsonschema==3.2.0