diff --git a/package.json b/package.json
index fb510912..5dcb7361 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": "4.7.0",
+    "webpack": "4.8.3",
     "webpack-cli": "2.1.4",
     "webpack-dev-server": "3.1.4"
   }
diff --git a/yarn.lock b/yarn.lock
index 6b4c27a0..74bc995c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -29,6 +29,122 @@
   dependencies:
     samsam "1.3.0"
 
+"@webassemblyjs/ast@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/ast/-/ast-1.4.3.tgz#3b3f6fced944d8660273347533e6d4d315b5934a"
+  dependencies:
+    "@webassemblyjs/helper-wasm-bytecode" "1.4.3"
+    "@webassemblyjs/wast-parser" "1.4.3"
+    debug "^3.1.0"
+    webassemblyjs "1.4.3"
+
+"@webassemblyjs/floating-point-hex-parser@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.4.3.tgz#f5aee4c376a717c74264d7bacada981e7e44faad"
+
+"@webassemblyjs/helper-buffer@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/helper-buffer/-/helper-buffer-1.4.3.tgz#0434b55958519bf503697d3824857b1dea80b729"
+  dependencies:
+    debug "^3.1.0"
+
+"@webassemblyjs/helper-code-frame@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/helper-code-frame/-/helper-code-frame-1.4.3.tgz#f1349ca3e01a8e29ee2098c770773ef97af43641"
+  dependencies:
+    "@webassemblyjs/wast-printer" "1.4.3"
+
+"@webassemblyjs/helper-fsm@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/helper-fsm/-/helper-fsm-1.4.3.tgz#65a921db48fb43e868f17b27497870bdcae22b79"
+
+"@webassemblyjs/helper-wasm-bytecode@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/helper-wasm-bytecode/-/helper-wasm-bytecode-1.4.3.tgz#0e5b4b5418e33f8a26e940b7809862828c3721a5"
+
+"@webassemblyjs/helper-wasm-section@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/helper-wasm-section/-/helper-wasm-section-1.4.3.tgz#9ceedd53a3f152c3412e072887ade668d0b1acbf"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/helper-buffer" "1.4.3"
+    "@webassemblyjs/helper-wasm-bytecode" "1.4.3"
+    "@webassemblyjs/wasm-gen" "1.4.3"
+    debug "^3.1.0"
+
+"@webassemblyjs/leb128@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/leb128/-/leb128-1.4.3.tgz#5a5e5949dbb5adfe3ae95664d0439927ac557fb8"
+  dependencies:
+    leb "^0.3.0"
+
+"@webassemblyjs/validation@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/validation/-/validation-1.4.3.tgz#9e66c9b3079d7bbcf2070c1bf52a54af2a09aac9"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+
+"@webassemblyjs/wasm-edit@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/wasm-edit/-/wasm-edit-1.4.3.tgz#87febd565e0ffb5ae25f6495bb3958d17aa0a779"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/helper-buffer" "1.4.3"
+    "@webassemblyjs/helper-wasm-bytecode" "1.4.3"
+    "@webassemblyjs/helper-wasm-section" "1.4.3"
+    "@webassemblyjs/wasm-gen" "1.4.3"
+    "@webassemblyjs/wasm-opt" "1.4.3"
+    "@webassemblyjs/wasm-parser" "1.4.3"
+    "@webassemblyjs/wast-printer" "1.4.3"
+    debug "^3.1.0"
+
+"@webassemblyjs/wasm-gen@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/wasm-gen/-/wasm-gen-1.4.3.tgz#8553164d0154a6be8f74d653d7ab355f73240aa4"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/helper-wasm-bytecode" "1.4.3"
+    "@webassemblyjs/leb128" "1.4.3"
+
+"@webassemblyjs/wasm-opt@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/wasm-opt/-/wasm-opt-1.4.3.tgz#26c7a23bfb136aa405b1d3410e63408ec60894b8"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/helper-buffer" "1.4.3"
+    "@webassemblyjs/wasm-gen" "1.4.3"
+    "@webassemblyjs/wasm-parser" "1.4.3"
+    debug "^3.1.0"
+
+"@webassemblyjs/wasm-parser@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/wasm-parser/-/wasm-parser-1.4.3.tgz#7ddd3e408f8542647ed612019cfb780830993698"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/helper-wasm-bytecode" "1.4.3"
+    "@webassemblyjs/leb128" "1.4.3"
+    "@webassemblyjs/wasm-parser" "1.4.3"
+    webassemblyjs "1.4.3"
+
+"@webassemblyjs/wast-parser@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/wast-parser/-/wast-parser-1.4.3.tgz#3250402e2c5ed53dbe2233c9de1fe1f9f0d51745"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/floating-point-hex-parser" "1.4.3"
+    "@webassemblyjs/helper-code-frame" "1.4.3"
+    "@webassemblyjs/helper-fsm" "1.4.3"
+    long "^3.2.0"
+    webassemblyjs "1.4.3"
+
+"@webassemblyjs/wast-printer@1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@webassemblyjs/wast-printer/-/wast-printer-1.4.3.tgz#3d59aa8d0252d6814a3ef4e6d2a34c9ded3904e0"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/wast-parser" "1.4.3"
+    long "^3.2.0"
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -4309,6 +4425,10 @@ ldap-filter@0.2.2:
   dependencies:
     assert-plus "0.1.5"
 
+leb@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/leb/-/leb-0.3.0.tgz#32bee9fad168328d6aea8522d833f4180eed1da3"
+
 levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -4511,6 +4631,10 @@ lolex@^2.2.0, lolex@^2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/lolex/-/lolex-2.3.2.tgz#85f9450425103bf9e7a60668ea25dc43274ca807"
 
+long@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/long/-/long-3.2.0.tgz#d821b7138ca1cb581c172990ef14db200b5c474b"
+
 longest-streak@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/longest-streak/-/longest-streak-2.0.2.tgz#2421b6ba939a443bb9ffebf596585a50b4c38e2e"
@@ -7926,6 +8050,16 @@ web-push@3.3.0:
     minimist "^1.2.0"
     urlsafe-base64 "^1.0.0"
 
+webassemblyjs@1.4.3:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/webassemblyjs/-/webassemblyjs-1.4.3.tgz#0591893efb8fbde74498251cbe4b2d83df9239cb"
+  dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/validation" "1.4.3"
+    "@webassemblyjs/wasm-parser" "1.4.3"
+    "@webassemblyjs/wast-parser" "1.4.3"
+    long "^3.2.0"
+
 webpack-addons@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/webpack-addons/-/webpack-addons-1.1.5.tgz#2b178dfe873fb6e75e40a819fa5c26e4a9bc837a"
@@ -8024,10 +8158,13 @@ webpack-sources@^1.0.1, webpack-sources@^1.1.0:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@4.7.0:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.7.0.tgz#a04f68dab86d5545fd0277d07ffc44e4078154c9"
+webpack@4.8.3:
+  version "4.8.3"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.8.3.tgz#957c8e80000f9e5cc03d775e78b472d8954f4eeb"
   dependencies:
+    "@webassemblyjs/ast" "1.4.3"
+    "@webassemblyjs/wasm-edit" "1.4.3"
+    "@webassemblyjs/wasm-parser" "1.4.3"
     acorn "^5.0.0"
     acorn-dynamic-import "^3.0.0"
     ajv "^6.1.0"