diff --git a/app/angular/package.json b/app/angular/package.json
index aa4c6622ac2d..54fc752112b2 100644
--- a/app/angular/package.json
+++ b/app/angular/package.json
@@ -55,7 +55,7 @@
     "uglifyjs-webpack-plugin": "^1.2.2",
     "util-deprecate": "^1.0.2",
     "webpack": "^3.11.0",
-    "webpack-hot-middleware": "^2.21.1",
+    "webpack-hot-middleware": "^2.21.2",
     "zone.js": "^0.8.20"
   },
   "devDependencies": {
diff --git a/app/polymer/package.json b/app/polymer/package.json
index 8f624032679a..38fc2f253c9b 100644
--- a/app/polymer/package.json
+++ b/app/polymer/package.json
@@ -56,7 +56,7 @@
     "uglifyjs-webpack-plugin": "^1.2.2",
     "util-deprecate": "^1.0.2",
     "webpack": "^3.11.0",
-    "webpack-hot-middleware": "^2.21.1"
+    "webpack-hot-middleware": "^2.21.2"
   },
   "devDependencies": {
     "nodemon": "^1.17.1"
diff --git a/app/react-native/package.json b/app/react-native/package.json
index 0c6b159c1091..6f7b95d19b7d 100644
--- a/app/react-native/package.json
+++ b/app/react-native/package.json
@@ -63,7 +63,7 @@
     "uuid": "^3.2.1",
     "webpack": "^3.11.0",
     "webpack-dev-middleware": "^1.12.2",
-    "webpack-hot-middleware": "^2.21.1",
+    "webpack-hot-middleware": "^2.21.2",
     "ws": "^4.1.0"
   },
   "devDependencies": {
diff --git a/app/react/package.json b/app/react/package.json
index bdca231e0444..cb24312414a5 100644
--- a/app/react/package.json
+++ b/app/react/package.json
@@ -61,7 +61,7 @@
     "uglifyjs-webpack-plugin": "^1.2.2",
     "util-deprecate": "^1.0.2",
     "webpack": "^3.11.0",
-    "webpack-hot-middleware": "^2.21.1"
+    "webpack-hot-middleware": "^2.21.2"
   },
   "devDependencies": {
     "nodemon": "^1.17.1"
diff --git a/app/vue/package.json b/app/vue/package.json
index 313f89e68610..3089e8156223 100644
--- a/app/vue/package.json
+++ b/app/vue/package.json
@@ -53,7 +53,7 @@
     "uglifyjs-webpack-plugin": "^1.2.2",
     "util-deprecate": "^1.0.2",
     "webpack": "^3.11.0",
-    "webpack-hot-middleware": "^2.21.1"
+    "webpack-hot-middleware": "^2.21.2"
   },
   "devDependencies": {
     "nodemon": "^1.17.1",
diff --git a/lib/core/package.json b/lib/core/package.json
index 2700832e065f..26f05054f932 100644
--- a/lib/core/package.json
+++ b/lib/core/package.json
@@ -45,6 +45,6 @@
     "url-loader": "^0.6.2",
     "webpack": "^3.11.0",
     "webpack-dev-middleware": "^1.12.2",
-    "webpack-hot-middleware": "^2.21.1"
+    "webpack-hot-middleware": "^2.21.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 6a2086d40730..e3719d184794 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16341,9 +16341,9 @@ webpack-dev-server@~2.11.0:
     webpack-dev-middleware "1.12.2"
     yargs "6.6.0"
 
-webpack-hot-middleware@^2.21.1:
-  version "2.21.1"
-  resolved "https://registry.yarnpkg.com/webpack-hot-middleware/-/webpack-hot-middleware-2.21.1.tgz#1b03b20a1a65a2e2ea0ea987476a5d23370ff176"
+webpack-hot-middleware@^2.21.2:
+  version "2.21.2"
+  resolved "https://registry.yarnpkg.com/webpack-hot-middleware/-/webpack-hot-middleware-2.21.2.tgz#2e2aa65563b8b32546b67e53b5a9667dcd80f327"
   dependencies:
     ansi-html "0.0.7"
     html-entities "^1.2.0"