diff --git a/package-lock.json b/package-lock.json
index 1434020..fb44a38 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "caching-transform",
-	"version": "3.0.2",
+	"version": "4.0.0",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/package.json b/package.json
index 0ea2900..f15df52 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "caching-transform",
-	"version": "3.0.2",
+	"version": "4.0.0",
 	"description": "Wraps a transform and provides caching",
 	"license": "MIT",
 	"repository": "istanbuljs/caching-transform",