diff --git a/yarn.lock b/yarn.lock
index c2693ae1..a7fc9ba0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8162,9 +8162,9 @@ webpack-cli@2.1.2:
     yeoman-environment "^2.0.0"
     yeoman-generator "^2.0.4"
 
-webpack-dev-middleware@3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.1.2.tgz#be4d0c36a4fa7d69d6904093418514caa9df3a40"
+webpack-dev-middleware@3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.1.3.tgz#8b32aa43da9ae79368c1bf1183f2b6cf5e1f39ed"
   dependencies:
     loud-rejection "^1.6.0"
     memory-fs "~0.4.1"
@@ -8174,9 +8174,9 @@ webpack-dev-middleware@3.1.2:
     url-join "^4.0.0"
     webpack-log "^1.0.1"
 
-webpack-dev-server@3.1.3:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.3.tgz#5cecfd8a9d60c4638284813f1cf9562f04e5c1c5"
+webpack-dev-server@3.1.4:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.4.tgz#9a08d13c4addd1e3b6d8ace116e86715094ad5b4"
   dependencies:
     ansi-html "0.0.7"
     array-includes "^3.0.3"
@@ -8203,7 +8203,7 @@ webpack-dev-server@3.1.3:
     spdy "^3.4.1"
     strip-ansi "^3.0.0"
     supports-color "^5.1.0"
-    webpack-dev-middleware "3.1.2"
+    webpack-dev-middleware "3.1.3"
     webpack-log "^1.1.2"
     yargs "11.0.0"