diff --git a/package-lock.json b/package-lock.json
index 2a44c1929..6719047de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "sinon",
-  "version": "4.1.6",
+  "version": "4.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 7a40cb0e6..860882242 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "sinon",
   "description": "JavaScript test spies, stubs and mocks.",
-  "version": "4.1.6",
+  "version": "4.2.0",
   "homepage": "http://sinonjs.org/",
   "author": "Christian Johansen",
   "repository": {