Bumped minor version.
diff --git a/package.json b/package.json
index 026dbc0..fd30da4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "material-design-icons",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "Material Design icons by Google",
   "main": "index.js",
   "repository": {