diff --git a/package.json b/package.json
index 1fe882ba..7006d015 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
     "stylelint-config-standard": "18.2.0",
     "textcomplete": "0.17.1",
     "undate": "0.3.0",
-    "webpack": "4.8.3",
+    "webpack": "4.9.1",
     "webpack-cli": "2.1.4",
     "webpack-dev-server": "3.1.4"
   }
diff --git a/yarn.lock b/yarn.lock
index 31d2605a..47a1d4e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4330,7 +4330,7 @@ json-buffer@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.0.tgz#5b1f397afc75d677bde8bcfc0e47e1f9a3d9a898"
 
-json-parse-better-errors@^1.0.1:
+json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
 
@@ -8186,9 +8186,9 @@ webpack-sources@^1.0.1, webpack-sources@^1.1.0:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@4.8.3:
-  version "4.8.3"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.8.3.tgz#957c8e80000f9e5cc03d775e78b472d8954f4eeb"
+webpack@4.9.1:
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.9.1.tgz#fa7bd738b17fd7f09f37da461b2f5c16c6565f34"
   dependencies:
     "@webassemblyjs/ast" "1.4.3"
     "@webassemblyjs/wasm-edit" "1.4.3"
@@ -8200,6 +8200,7 @@ webpack@4.8.3:
     chrome-trace-event "^0.1.1"
     enhanced-resolve "^4.0.0"
     eslint-scope "^3.7.1"
+    json-parse-better-errors "^1.0.2"
     loader-runner "^2.3.0"
     loader-utils "^1.1.0"
     memory-fs "~0.4.1"