diff --git a/package.json b/package.json
index adf423cc1..d5c1cd936 100644
--- a/package.json
+++ b/package.json
@@ -24,23 +24,23 @@
   },
   "devDependencies": {
     "bower": "^1.7.9",
-    "chai": "^6.2.2",
+    "chai": "^3.5.0",
     "codecov": "^3.6.5",
     "gulp": "^4.0.0",
-    "gulp-cli": "^3.1.0",
+    "gulp-cli": "^1.4.0",
     "gulp-concat": "^2.6.0",
     "gulp-eslint": "^3.0.1",
     "gulp-ng-annotate": "^2.0.0",
-    "gulp-sourcemaps": "^3.0.0",
+    "gulp-sourcemaps": "^1.6.0",
     "karma": "^6.4",
     "karma-chai": "^0.1.0",
     "karma-coverage": "^1.1.2",
     "karma-firefox-launcher": "^1.3.0",
-    "karma-mocha": "^2.0.1",
+    "karma-mocha": "^1.3.0",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sinon": "^1.0.5",
     "karma-webdriver-launcher": "^1.0.7",
     "mocha": "^5.2",
-    "sinon": "^22.0.0"
+    "sinon": "^1.17.5"
   }
 }