diff --git a/package.json b/package.json
index ea6950b2..3db04900 100644
--- a/package.json
+++ b/package.json
@@ -107,6 +107,6 @@
     "undate": "0.3.0",
     "webpack": "4.27.1",
     "webpack-cli": "3.1.2",
-    "webpack-dev-server": "3.1.10"
+    "webpack-dev-server": "3.1.14"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 90cfd228..608b651b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2366,7 +2366,7 @@ detect-libc@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
 
-detect-node@^2.0.3:
+detect-node@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/detect-node/-/detect-node-2.0.4.tgz#014ee8f8f669c5c58023da64b8179c083a28c46c"
 
@@ -3318,9 +3318,9 @@ growl@1.10.5:
   version "1.10.5"
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
 
-handle-thing@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-1.2.5.tgz#fd7aad726bf1a5fd16dfc29b2f7a6601d27139c4"
+handle-thing@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
 
 handlebars-loader@1.7.0:
   version "1.7.0"
@@ -5167,7 +5167,7 @@ object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
-obuf@^1.0.0, obuf@^1.1.1:
+obuf@^1.0.0, obuf@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.2.tgz#09bea3343d41859ebd446292d11c9d4db619084e"
 
@@ -6075,7 +6075,7 @@ read@1.0.7:
   dependencies:
     mute-stream "~0.0.4"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.3, readable-stream@^2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -6472,7 +6472,7 @@ selfsigned@^1.9.1:
   dependencies:
     node-forge "0.7.5"
 
-"semver@2 || 3 || 4 || 5", semver@5.6.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1:
+"semver@2 || 3 || 4 || 5", semver@5.6.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
 
@@ -6780,28 +6780,26 @@ spdx-license-ids@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.1.tgz#e2a303236cac54b04031fa7a5a79c7e701df852f"
 
-spdy-transport@^2.0.18:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/spdy-transport/-/spdy-transport-2.1.0.tgz#4bbb15aaffed0beefdd56ad61dbdc8ba3e2cb7a1"
+spdy-transport@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdy-transport/-/spdy-transport-3.0.0.tgz#00d4863a6400ad75df93361a1608605e5dcdcf31"
   dependencies:
-    debug "^2.6.8"
-    detect-node "^2.0.3"
+    debug "^4.1.0"
+    detect-node "^2.0.4"
     hpack.js "^2.1.6"
-    obuf "^1.1.1"
-    readable-stream "^2.2.9"
-    safe-buffer "^5.0.1"
-    wbuf "^1.7.2"
+    obuf "^1.1.2"
+    readable-stream "^3.0.6"
+    wbuf "^1.7.3"
 
-spdy@^3.4.1:
-  version "3.4.7"
-  resolved "https://registry.yarnpkg.com/spdy/-/spdy-3.4.7.tgz#42ff41ece5cc0f99a3a6c28aabb73f5c3b03acbc"
+spdy@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/spdy/-/spdy-4.0.0.tgz#81f222b5a743a329aa12cea6a390e60e9b613c52"
   dependencies:
-    debug "^2.6.8"
-    handle-thing "^1.2.5"
+    debug "^4.1.0"
+    handle-thing "^2.0.0"
     http-deceiver "^1.2.7"
-    safe-buffer "^5.0.1"
     select-hose "^2.0.0"
-    spdy-transport "^2.0.18"
+    spdy-transport "^3.0.0"
 
 specificity@^0.4.1:
   version "0.4.1"
@@ -7619,7 +7617,7 @@ watchpack@^1.5.0:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
 
-wbuf@^1.1.0, wbuf@^1.7.2:
+wbuf@^1.1.0, wbuf@^1.7.3:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/wbuf/-/wbuf-1.7.3.tgz#c1d8d149316d3ea852848895cb6a0bfe887b87df"
   dependencies:
@@ -7660,9 +7658,9 @@ webpack-dev-middleware@3.4.0:
     range-parser "^1.0.3"
     webpack-log "^2.0.0"
 
-webpack-dev-server@3.1.10:
-  version "3.1.10"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.10.tgz#507411bee727ee8d2fdffdc621b66a64ab3dea2b"
+webpack-dev-server@3.1.14:
+  version "3.1.14"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.14.tgz#60fb229b997fc5a0a1fc6237421030180959d469"
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"
@@ -7683,12 +7681,14 @@ webpack-dev-server@3.1.10:
     portfinder "^1.0.9"
     schema-utils "^1.0.0"
     selfsigned "^1.9.1"
+    semver "^5.6.0"
     serve-index "^1.7.2"
     sockjs "0.3.19"
     sockjs-client "1.3.0"
-    spdy "^3.4.1"
+    spdy "^4.0.0"
     strip-ansi "^3.0.0"
     supports-color "^5.1.0"
+    url "^0.11.0"
     webpack-dev-middleware "3.4.0"
     webpack-log "^2.0.0"
     yargs "12.0.2"