diff --git a/pangolin/__init__.py b/pangolin/__init__.py
index 7076faa..17173db 100644
--- a/pangolin/__init__.py
+++ b/pangolin/__init__.py
@@ -1,2 +1,2 @@
 _program = "pangolin"
-__version__ = "2.2.0"
+__version__ = "2.2.1"