diff --git a/package-lock.json b/package-lock.json
index 80d8b49..ce82826 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "snapshotter",
-  "version": "3.1.1",
+  "version": "4.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "snapshotter",
-      "version": "3.1.1",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "enzyme-to-json": "3.1.3",
diff --git a/package.json b/package.json
index 18466be..258cb12 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "snapshotter",
-  "version": "3.1.1",
+  "version": "4.0.0",
   "description": "Snapshot testing for Tape",
   "main": "dist/snapshotter.js",
   "scripts": {