diff --git a/package.json b/package.json
index 15c73dc7b..cb842aec5 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "gulp-concat": "^2.6.0",
     "gulp-eslint": "^3.0.1",
     "gulp-ng-annotate": "^2.0.0",
-    "gulp-sourcemaps": "^1.6.0",
+    "gulp-sourcemaps": "^3.0.0",
     "karma": "^4.4",
     "karma-chai": "^0.1.0",
     "karma-coverage": "^1.1.2",