diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..a97c4b1
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,6 @@
+# Change log
+
+## 3.4.0
+
+### Features
+* Add support for sinon 8 ([#143](https://github.com/domenic/sinon-chai/issues/143))
diff --git a/package.json b/package.json
index b4fdf94..0007940 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,11 @@
     "stubs",
     "mocks"
   ],
-  "version": "3.3.0",
+  "version": "3.4.0",
   "author": "Domenic Denicola <d@domenic.me> (https://domenic.me/)",
+  "contributors": [
+    "Simon de Lang <simondelang@gmail.com>",
+  ],
   "license": "(BSD-2-Clause OR WTFPL)",
   "repository": "domenic/sinon-chai",
   "main": "./lib/sinon-chai.js",