diff --git a/README.md b/README.md
index f9f07a7..2c15050 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Promisify Node
 --------------
 
-**Stable: 0.4.0** 
+**Stable: 0.5.0** 
 
 [![Build
 Status](https://travis-ci.org/nodegit/promisify-node.png?branch=master)](https://travis-ci.org/nodegit/promisify-node)
diff --git a/package.json b/package.json
index d70e7a0..fc6cc57 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,15 @@
 {
   "name": "promisify-node",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "description": "Wrap Node-callback functions to return Promises.",
   "main": "index.js",
   "dependencies": {
-    "nodegit-promise": "~4.0.0",
-    "object-assign": "^4.0.1"
+    "nodegit-promise": "^4.0.0",
+    "object-assign": "^4.1.1"
   },
   "devDependencies": {
-    "mocha": "~1.18.2",
-    "istanbul": "~0.2.7"
+    "mocha": "^5.2.0",
+    "istanbul": "^0.4.5"
   },
   "repository": {
     "type": "git",