diff --git a/yarn.lock b/yarn.lock
index a969dae..ded7f13 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -664,11 +664,6 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
-"@fortawesome/fontawesome-free@^5.11.2":
-  version "5.11.2"
-  resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-free/-/fontawesome-free-5.11.2.tgz#8644bc25b19475779a7b7c1fc104bc0a794f4465"
-  integrity sha512-XiUPoS79r1G7PcpnNtq85TJ7inJWe0v+b5oZJZKb0pGHNIV6+UiNeQWiFGmuQ0aj7GEhnD/v9iqxIsjuRKtEnQ==
-
 "@nodelib/fs.scandir@2.1.3":
   version "2.1.3"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz#3a582bdb53804c6ba6d146579c46e52130cf4a3b"
@@ -884,9 +879,9 @@ accepts@~1.3.4, accepts@~1.3.7:
     negotiator "0.6.2"
 
 acorn@^6.2.1:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.3.0.tgz#0087509119ffa4fc0a0041d1e93a417e68cb856e"
-  integrity sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
+  integrity sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==
 
 ajv-errors@^1.0.0:
   version "1.0.1"
@@ -3467,6 +3462,13 @@ once@^1.3.0, once@^1.3.1, once@^1.4.0:
   dependencies:
     wrappy "1"
 
+opn@^5.2.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-5.5.0.tgz#fc7164fab56d235904c51c3b27da6758ca3b9bfc"
+  integrity sha512-PqHpggC9bLV0VeWcdKhkpxY+3JTzetLSqTCWL/z/tFIbI6G8JCjondXklT1JinczLz2Xib62sSp0T/gKT4KksA==
+  dependencies:
+    is-wsl "^1.1.0"
+
 opn@latest:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/opn/-/opn-6.0.0.tgz#3c5b0db676d5f97da1233d1ed42d182bc5a27d2d"
@@ -4332,6 +4334,17 @@ static-extend@^0.1.1:
     define-property "^0.2.5"
     object-copy "^0.1.0"
 
+static-server@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/static-server/-/static-server-2.2.1.tgz#49e3cae2a001736b0ee9e95d21d3d843fc95efaa"
+  integrity sha512-j5eeW6higxYNmXMIT8iHjsdiViTpQDthg7o+SHsRtqdbxscdHqBHXwrXjHC8hL3F0Tsu34ApUpDkwzMBPBsrLw==
+  dependencies:
+    chalk "^0.5.1"
+    commander "^2.3.0"
+    file-size "0.0.5"
+    mime "^1.2.11"
+    opn "^5.2.0"
+
 "statuses@>= 1.4.0 < 2", "statuses@>= 1.5.0 < 2", statuses@~1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"