diff --git a/package-lock.json b/package-lock.json
index 82680f5..a6a77d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "d3-interpolate-path",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 5d85115..5f6ee77 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "d3-interpolate-path",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "Interpolates path `d` attribute smoothly when A and B have different number of points.",
   "author": "Peter Beshai <peter.beshai@gmail.com> (http://github.com/pbeshai)",
   "keywords": [