diff --git a/package.json b/package.json
index 6df3399612..7f74825020 100644
--- a/package.json
+++ b/package.json
@@ -45,6 +45,7 @@
     "escodegen": "^1.8.0",
     "esprima": "^2.7.0",
     "glob": "^7.0.3",
+    "istanbul": "^0.4.5",
     "lodash": "^3.10.1",
     "log4js": "^0.6.33",
     "mkdirp": "^0.5.1",
@@ -81,7 +82,6 @@
     "grunt-npm": "0.0.2",
     "grunt-ts": "^6.0.0-beta.3",
     "grunt-tslint": "^3.2.1",
-    "istanbul": "^0.4.0",
     "jasmine-core": "^2.4.1",
     "karma": "1.0.0",
     "karma-coverage": "^1.0.0",
diff --git a/testResources/module/package.json b/testResources/module/package.json
index 340e55eb43..1f144248f6 100644
--- a/testResources/module/package.json
+++ b/testResources/module/package.json
@@ -12,7 +12,6 @@
   "devDependencies": {
     "jasmine-core": "^2.4.1",
     "karma": "1.0.0",
-    "karma-coverage": "^1.0.0",
     "karma-jasmine": "^1.0.2",
     "karma-phantomjs-launcher": "^1.0.1",
     "stryker": "file:../../",