diff --git a/package.json b/package.json
index bb7650b..ce766a8 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "webpack": "^4.41.5",
     "webpack-assets-manifest": "^3.1.1",
     "webpack-bundle-analyzer": "^3.6.0",
-    "webpack-dev-server": "^3.10.1",
+    "webpack-dev-server": "3.9.0",
     "webpack-node-externals": "^1.7.2"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index 8635634..d8ae340 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6951,7 +6951,7 @@ logalot@^2.0.0, logalot@^2.1.0:
     figures "^1.3.5"
     squeak "^1.0.0"
 
-loglevel@^1.6.6:
+loglevel@^1.6.4:
   version "1.6.6"
   resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.6.tgz#0ee6300cc058db6b3551fa1c4bf73b83bb771312"
   integrity sha512-Sgr5lbboAUBo3eXCSPL4/KoVz3ROKquOjcctxmHIt+vol2DrqTQe3SwkKKuYhEiWB5kYa13YyopJ69deJ1irzQ==
@@ -11580,10 +11580,10 @@ webpack-dev-middleware@^3.7.2:
     range-parser "^1.2.1"
     webpack-log "^2.0.0"
 
-webpack-dev-server@^3.10.1:
-  version "3.10.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.10.1.tgz#1ff3e5cccf8e0897aa3f5909c654e623f69b1c0e"
-  integrity sha512-AGG4+XrrXn4rbZUueyNrQgO4KGnol+0wm3MPdqGLmmA+NofZl3blZQKxZ9BND6RDNuvAK9OMYClhjOSnxpWRoA==
+webpack-dev-server@3.9.0:
+  version "3.9.0"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.9.0.tgz#27c3b5d0f6b6677c4304465ac817623c8b27b89c"
+  integrity sha512-E6uQ4kRrTX9URN9s/lIbqTAztwEPdvzVrcmHE8EQ9YnuT9J8Es5Wrd8n9BKg1a0oZ5EgEke/EQFgUsp18dSTBw==
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"
@@ -11600,7 +11600,7 @@ webpack-dev-server@^3.10.1:
     ip "^1.1.5"
     is-absolute-url "^3.0.3"
     killable "^1.0.1"
-    loglevel "^1.6.6"
+    loglevel "^1.6.4"
     opn "^5.5.0"
     p-retry "^3.0.1"
     portfinder "^1.0.25"