diff --git a/package.json b/package.json
index 1a390e0c..84ba0046 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "confirm-simple": "^1.0.3",
     "conventional-changelog": "0.0.11",
     "error-first-handler": "^1.0.1",
+    "git-node": "^0.1.1",
     "github": "^0.2.3",
     "github-url-from-git": "^1.4.0",
     "minimist": "^1.1.0",
diff --git a/src/post.js b/src/post.js
index b97376e0..3466da3e 100644
--- a/src/post.js
+++ b/src/post.js
@@ -1,10 +1,10 @@
 'use strict'
 
-var exec = require('child_process').exec
 var readFile = require('fs').readFileSync
 var url = require('url')
 
 var changelog = require('conventional-changelog')
+var git = require('git-node')
 var GitHubApi = require('github')
 var parseSlug = require('parse-github-repo-url')
 var parseUrl = require('github-url-from-git')
@@ -31,7 +31,7 @@ module.exports = function (options, cb) {
     repository: parseUrl(repository),
     file: false
   }, efh(cb)(function (log) {
-    exec('git rev-parse HEAD', efh(cb)(function (hash) {
+    git.repo('./.git').loadAs('commit', 'HEAD', efh(cb)(function (commit, hash) {
       var ghRepo = parseSlug(repository)
       var release = {
         owner: ghRepo[0],