diff --git a/doc/index.html b/doc/index.html
index c482677..6f041b2 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -2,7 +2,7 @@
 <html lang="en">
 <head>
   <meta charset='utf-8'>
-  <title>web-midi-player 1.1.19 | Documentation</title>
+  <title>web-midi-player 1.1.20 | Documentation</title>
   <meta name='description' content='🎹 Event-driven JavaScript library to enable MIDI playback in the browser.'>
   <meta name='viewport' content='width=device-width,initial-scale=1'>
   <link href='assets/bass.css' rel='stylesheet'>
@@ -15,7 +15,7 @@
       <div id='split-left' class='overflow-auto fs0 height-viewport-100'>
         <div class='py1 px2'>
           <h3 class='mb0 no-anchor'>web-midi-player</h3>
-          <div class='mb1'><code>1.1.19</code></div>
+          <div class='mb1'><code>1.1.20</code></div>
           <input
             placeholder='Filter'
             id='filter-input'
diff --git a/package-lock.json b/package-lock.json
index 7b84321..6a85bcb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "web-midi-player",
-    "version": "1.1.19",
+    "version": "1.1.20",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -14,12 +14,12 @@
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             "dev": true,
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@@ -243,9 +243,9 @@
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@@ -295,9 +295,9 @@
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                     "dev": true,
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-                        "@babel/generator": "^7.8.3",
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-                        "@babel/parser": "^7.8.3",
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@@ -342,15 +342,15 @@
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@@ -479,9 +479,9 @@
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@@ -531,9 +531,9 @@
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@@ -548,16 +548,16 @@
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-                        "@babel/generator": "^7.8.3",
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                         "@babel/helper-split-export-declaration": "^7.8.3",
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@@ -779,9 +770,9 @@
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@@ -843,9 +834,9 @@
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@@ -2187,9 +2149,9 @@
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-                        "@babel/generator": "^7.8.3",
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                         "@babel/helper-function-name": "^7.8.3",
                         "@babel/helper-split-export-declaration": "^7.8.3",
-                        "@babel/parser": "^7.8.3",
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                         "debug": "^4.1.0",
                         "globals": "^11.1.0",
@@ -2508,9 +2470,9 @@
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@@ -2720,9 +2682,9 @@
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@@ -2755,13 +2717,13 @@
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@@ -2790,7 +2752,7 @@
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-                "@babel/plugin-transform-for-of": "^7.8.3",
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@@ -2801,7 +2763,7 @@
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@@ -2809,25 +2771,16 @@
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-                "@babel/plugin-transform-typeof-symbol": "^7.8.3",
+                "@babel/plugin-transform-typeof-symbol": "^7.8.4",
                 "@babel/plugin-transform-unicode-regex": "^7.8.3",
                 "@babel/types": "^7.8.3",
-                "browserslist": "^4.8.2",
+                "browserslist": "^4.8.5",
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                 "invariant": "^2.2.2",
-                "levenary": "^1.1.0",
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@@ -2891,15 +2844,6 @@
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@@ -4844,14 +4788,14 @@
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+            "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.8.6.tgz",
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             "requires": {
-                "caniuse-lite": "^1.0.30001017",
-                "electron-to-chromium": "^1.3.322",
-                "node-releases": "^1.1.44"
+                "caniuse-lite": "^1.0.30001023",
+                "electron-to-chromium": "^1.3.341",
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         "bser": {
@@ -4985,9 +4929,9 @@
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+            "version": "1.0.30001023",
+            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001023.tgz",
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@@ -6043,9 +5987,9 @@
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-            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.334.tgz",
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+            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.344.tgz",
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@@ -10473,9 +10417,9 @@
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@@ -11221,9 +11165,9 @@
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diff --git a/package.json b/package.json
index b529b16..febd0e6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "web-midi-player",
-    "version": "1.1.19",
+    "version": "1.1.20",
     "description": "🎹 Event-driven JavaScript library to enable MIDI playback in the browser.",
     "keywords": [
         "midi",
@@ -55,7 +55,7 @@
         "@babel/plugin-proposal-class-properties": "^7.3.4",
         "@babel/plugin-transform-arrow-functions": "^7.2.0",
         "@babel/plugin-transform-runtime": "^7.3.4",
-        "@babel/preset-env": "^7.3.4",
+        "@babel/preset-env": "^7.8.4",
         "@babel/register": "^7.7.4",
         "@babel/runtime": "^7.3.4",
         "babel-loader": "^8.0.5",
