diff --git a/package.json b/package.json
index b8c6a43..2b1e21b 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "start": "react-scripts start",
     "build": "react-scripts build",
     "predeploy": "yarn run build",
-    "deploy": "gh-pages -b master -d build",
+    "deploy": "gh-pages -d build",
     "test": "react-scripts test",
     "eject": "react-scripts eject"
   },
diff --git a/yarn.lock b/yarn.lock
index 0c84c0b..3b4fd14 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2241,11 +2241,11 @@ commander@2.17.x:
   version "2.17.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
-commander@^2.11.0, commander@^2.19.0, commander@~2.20.0:
+commander@^2.11.0, commander@^2.19.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
 
-commander@^2.18.0:
+commander@^2.18.0, commander@~2.20.3:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -3793,8 +3793,9 @@ handle-thing@^2.0.0:
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
 
 handlebars@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.1.2.tgz#b6b37c1ced0306b221e094fc7aca3ec23b131b67"
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
+  integrity sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==
   dependencies:
     neo-async "^2.6.0"
     optimist "^0.6.1"
@@ -5388,6 +5389,7 @@ minimist@^1.1.1, minimist@^1.2.0:
 minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
 minipass@^2.2.1, minipass@^2.3.4:
   version "2.3.5"
@@ -5508,8 +5510,9 @@ negotiator@0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
 
 neo-async@^2.5.0, neo-async@^2.6.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.0.tgz#b9d15e4d71c6762908654b5183ed38b753340835"
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
+  integrity sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==
 
 nice-try@^1.0.4:
   version "1.0.5"
@@ -5791,6 +5794,7 @@ opn@^5.1.0:
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  integrity sha1-2j6nRob6IaGaERwybpDrFaAZZoY=
   dependencies:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
@@ -7649,6 +7653,7 @@ source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6:
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
 space-separated-tokens@^1.0.0:
   version "1.1.3"
@@ -8156,10 +8161,11 @@ uglify-js@3.4.x:
     source-map "~0.6.1"
 
 uglify-js@^3.1.4:
-  version "3.5.11"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.5.11.tgz#833442c0aa29b3a7d34344c7c63adaa3f3504f6a"
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
+  integrity sha512-7tINm46/3puUA4hCkKYo4Xdts+JDaVC9ZPRcG8Xw9R4nhO/gZgUM3TENq8IF4Vatk8qCig4MzP/c8G4u2BkVQg==
   dependencies:
-    commander "~2.20.0"
+    commander "~2.20.3"
     source-map "~0.6.1"
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
@@ -8589,6 +8595,7 @@ wide-align@^1.1.0:
 wordwrap@~0.0.2:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+  integrity sha1-o9XabNXAvAAI03I0u68b7WMFkQc=
 
 wordwrap@~1.0.0:
   version "1.0.0"