diff --git a/premise/__init__.py b/premise/__init__.py
index f14991d5..cafe8c30 100644
--- a/premise/__init__.py
+++ b/premise/__init__.py
@@ -5,7 +5,7 @@
     "clear_inventory_cache",
     "get_regions_definition",
 )
-__version__ = (2, 2, 0)
+__version__ = (2, 2, 1)
 
 
 from premise.new_database import NewDatabase