diff --git a/package.json b/package.json
index f84467ba9..6f7e89791 100644
--- a/package.json
+++ b/package.json
@@ -150,8 +150,10 @@
     "sass-loader": "^6.0.6",
     "style-loader": "^0.19.0",
     "webpack": "^3.10.0",
-    "webpack-build-notifier": "^0.1.18",
-    "webpack-sources": "1.0.1"
+    "webpack-build-notifier": "^0.1.18"
+  },
+  "resolutions": {
+    "webpack/webpack-sources": "1.0.1"
   },
   "postinstall": "install-app-deps",
   "license": "MIT",
diff --git a/yarn.lock b/yarn.lock
index 98201a73b..d524ac23b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8574,20 +8574,13 @@ webpack-merge@^4.1.0:
   dependencies:
     lodash "^4.17.4"
 
-webpack-sources@1.0.1:
+webpack-sources@1.0.1, webpack-sources@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.0.1.tgz#c7356436a4d13123be2e2426a05d1dad9cbe65cf"
   dependencies:
     source-list-map "^2.0.0"
     source-map "~0.5.3"
 
-webpack-sources@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
-  dependencies:
-    source-list-map "^2.0.0"
-    source-map "~0.6.1"
-
 webpack@^3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.10.0.tgz#5291b875078cf2abf42bdd23afe3f8f96c17d725"