diff --git a/package.json b/package.json
index 8ce05f2b7..b960872e1 100644
--- a/package.json
+++ b/package.json
@@ -49,17 +49,17 @@
     }
   },
   "devDependencies": {
-    "coffee-script": "1.9.3",
+    "coffee-script": "=1.9.3",
     "crx": "^3.0.3",
     "esprima": "^2.7.2",
-    "font-awesome": "4.6.1",
+    "font-awesome": "=4.6.1",
     "jshint": "^2.9.2",
     "jszip": "^3.0.0",
     "lodash.template": "^4.2.4",
     "markdown-it": "^6.0.1",
     "markdown-it-anchor": "^2.5.0",
     "request": "^2.72.0",
-    "webstore-upload": "^0.0.7"
+    "webstore-upload": "0.0.7"
   },
   "repository": {
     "type": "git",
diff --git a/tools/unpinned.js b/tools/unpinned.js
index 3c089be3d..b89b9e713 100644
--- a/tools/unpinned.js
+++ b/tools/unpinned.js
@@ -4,7 +4,7 @@ var pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'));
 
 console.log(
   Object.keys(pkg.devDependencies).filter(
-    name => /^\^/.test(pkg.devDependencies[name])
+    name => !/^=/.test(pkg.devDependencies[name])
   ).map(
     name => `${name}@${process.argv[2] || pkg.devDependencies[name]}`
   ).join(' ')