diff --git a/demo/yarn.lock b/demo/yarn.lock
index b2b5faf..f771ebb 100644
--- a/demo/yarn.lock
+++ b/demo/yarn.lock
@@ -1363,12 +1363,14 @@ browserify-zlib@^0.2.0:
     pako "~1.0.5"
 
 browserslist@^4.0.0, browserslist@^4.3.4, browserslist@^4.4.1:
-  version "4.4.1"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.4.1.tgz#42e828954b6b29a7a53e352277be429478a69062"
+  version "4.16.6"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.16.6.tgz#d7901277a5a88e554ed305b183ec9b0c08f66fa2"
   dependencies:
-    caniuse-lite "^1.0.30000929"
-    electron-to-chromium "^1.3.103"
-    node-releases "^1.1.3"
+    caniuse-lite "^1.0.30001219"
+    colorette "^1.2.2"
+    electron-to-chromium "^1.3.723"
+    escalade "^3.1.1"
+    node-releases "^1.1.71"
 
 buffer-from@^1.0.0:
   version "1.1.1"
@@ -1503,9 +1505,9 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000929, caniuse-lite@^1.0.30000938:
-  version "1.0.30000938"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000938.tgz#b64bf1427438df40183fce910fe24e34feda7a3f"
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000938, caniuse-lite@^1.0.30001219:
+  version "1.0.30001228"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz#bfdc5942cd3326fa51ee0b42fbef4da9d492a7fa"
 
 case-sensitive-paths-webpack-plugin@^2.2.0:
   version "2.2.0"
@@ -1667,6 +1669,10 @@ color@^3.0.0:
     color-convert "^1.9.1"
     color-string "^1.5.2"
 
+colorette@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
+
 colors@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
@@ -2311,9 +2317,9 @@ ejs@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.6.1.tgz#498ec0d495655abc6f23cd61868d926464071aa0"
 
-electron-to-chromium@^1.3.103:
-  version "1.3.113"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.113.tgz#b1ccf619df7295aea17bc6951dc689632629e4a9"
+electron-to-chromium@^1.3.723:
+  version "1.3.737"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.737.tgz#196f2e9656f4f3c31930750e1899c091b72d36b5"
 
 elliptic@^6.0.0:
   version "6.4.1"
@@ -2390,6 +2396,10 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
+escalade@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -4065,11 +4075,9 @@ node-pre-gyp@^0.11.0:
     semver "^5.3.0"
     tar "^4"
 
-node-releases@^1.1.3:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.8.tgz#32a63fff63c5e51b7e0f540ac95947d220fc6862"
-  dependencies:
-    semver "^5.3.0"
+node-releases@^1.1.71:
+  version "1.1.72"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.72.tgz#14802ab6b1039a79a0c7d662b610a5bbd76eacbe"
 
 nopt@^4.0.1:
   version "4.0.1"