diff --git a/.gitignore b/.gitignore
index 847d12a540..54b81294d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,5 +29,6 @@ _actual*.*
 /site/.sessions
 /site/static/svelte-app.json
 /site/static/contributors.jpg
+/site/static/workers
 /site/scripts/svelte-app
 /site/src/routes/_contributors.js
diff --git a/site/content/examples/06-lifecycle/02-update/App.svelte b/site/content/examples/06-lifecycle/02-update/App.svelte
index 373b6dcb6a..3eb2dceb52 100644
--- a/site/content/examples/06-lifecycle/02-update/App.svelte
+++ b/site/content/examples/06-lifecycle/02-update/App.svelte
@@ -1,5 +1,5 @@
 <script>
-	import Eliza from 'elizanode';
+	import Eliza from 'elizabot';
 	import { beforeUpdate, afterUpdate } from 'svelte';
 
 	let div;
diff --git a/site/content/tutorial/07-lifecycle/03-update/app-a/App.svelte b/site/content/tutorial/07-lifecycle/03-update/app-a/App.svelte
index 2081b6ab8c..75fce63ca2 100644
--- a/site/content/tutorial/07-lifecycle/03-update/app-a/App.svelte
+++ b/site/content/tutorial/07-lifecycle/03-update/app-a/App.svelte
@@ -1,5 +1,5 @@
 <script>
-	import Eliza from 'elizanode';
+	import Eliza from 'elizabot';
 	import { beforeUpdate, afterUpdate } from 'svelte';
 
 	let div;
diff --git a/site/content/tutorial/07-lifecycle/03-update/app-b/App.svelte b/site/content/tutorial/07-lifecycle/03-update/app-b/App.svelte
index 373b6dcb6a..3eb2dceb52 100644
--- a/site/content/tutorial/07-lifecycle/03-update/app-b/App.svelte
+++ b/site/content/tutorial/07-lifecycle/03-update/app-b/App.svelte
@@ -1,5 +1,5 @@
 <script>
-	import Eliza from 'elizanode';
+	import Eliza from 'elizabot';
 	import { beforeUpdate, afterUpdate } from 'svelte';
 
 	let div;
diff --git a/site/package-lock.json b/site/package-lock.json
index b61cee722e..ce5da93eee 100644
--- a/site/package-lock.json
+++ b/site/package-lock.json
@@ -1362,12 +1362,13 @@
       }
     },
     "@sveltejs/svelte-repl": {
-      "version": "0.0.11",
-      "resolved": "https://registry.npmjs.org/@sveltejs/svelte-repl/-/svelte-repl-0.0.11.tgz",
-      "integrity": "sha512-F284f8qaUs1rp8akqWXcB6oovlaso7qmsUz1rqm80FwUKLffjYIWy2a1p6+Yo1kRy6Q+fW8kj21JLEqv7pjOwA==",
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@sveltejs/svelte-repl/-/svelte-repl-0.1.0.tgz",
+      "integrity": "sha512-+H5x4T3ezPPpf0CBUv36Wn4ae7elst6DNHTld/auqX5A+0kO9SSJUUu0reHY684MlWoQCAc7vTRYkfA3B5XneA==",
       "dev": true,
       "requires": {
         "codemirror": "^5.45.0",
+        "estree-walker": "^0.6.0",
         "sourcemap-codec": "^1.4.4"
       }
     },
@@ -1799,9 +1800,9 @@
       "dev": true
     },
     "codemirror": {
-      "version": "5.46.0",
-      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.46.0.tgz",
-      "integrity": "sha512-3QpMge0vg4QEhHW3hBAtCipJEWjTJrqLLXdIaWptJOblf1vHFeXLNtFhPai/uX2lnFCehWNk4yOdaMR853Z02w==",
+      "version": "5.47.0",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.47.0.tgz",
+      "integrity": "sha512-kV49Fr+NGFHFc/Imsx6g180hSlkGhuHxTSDDmDHOuyln0MQYFLixDY4+bFkBVeCEiepYfDimAF/e++9jPJk4QA==",
       "dev": true
     },
     "collection-visit": {
diff --git a/site/package.json b/site/package.json
index d9de5a217e..57b5f59ea0 100644
--- a/site/package.json
+++ b/site/package.json
@@ -3,9 +3,10 @@
   "version": "1.0.0",
   "description": "Docs and examples for Svelte",
   "scripts": {
-    "dev": "sapper dev",
+    "dev": "npm run copy-workers && sapper dev",
+    "copy-workers": "rm -rf static/workers && cp -r node_modules/@sveltejs/svelte-repl/workers static",
     "migrate": "node-pg-migrate -r dotenv/config",
-    "sapper": "sapper build --legacy",
+    "sapper": "npm run copy-workers && sapper build --legacy",
     "update_shimport": "cp node_modules/shimport/index.js __sapper__/build/client/shimport@0.0.14.js",
     "update": "node scripts/update_template.js && node scripts/get-contributors.js",
     "start": "node __sapper__/build",
@@ -38,7 +39,7 @@
     "@babel/runtime": "^7.4.4",
     "@sindresorhus/slugify": "^0.9.1",
     "@sveltejs/site-kit": "^1.0.4",
-    "@sveltejs/svelte-repl": "0.0.11",
+    "@sveltejs/svelte-repl": "^0.1.0",
     "degit": "^2.1.3",
     "dotenv": "^8.0.0",
     "eslint-plugin-svelte3": "^1.0.0",
diff --git a/site/src/components/Repl/ReplWidget.svelte b/site/src/components/Repl/ReplWidget.svelte
index 07a5814010..9d06fb7868 100644
--- a/site/src/components/Repl/ReplWidget.svelte
+++ b/site/src/components/Repl/ReplWidget.svelte
@@ -116,6 +116,7 @@
 		{#if process.browser}
 			<Repl
 				bind:this={repl}
+				workersUrl="workers"
 				fixed={mobile}
 				{svelteUrl}
 				{rollupUrl}
diff --git a/site/src/routes/examples/index.svelte b/site/src/routes/examples/index.svelte
index a5c816561b..b21d0c773d 100644
--- a/site/src/routes/examples/index.svelte
+++ b/site/src/routes/examples/index.svelte
@@ -102,6 +102,7 @@
 		<div class="repl-container" class:loading={isLoading}>
 			<Repl
 				bind:this={repl}
+				workersUrl="workers"
 				{svelteUrl}
 				{rollupUrl}
 				orientation={replOrientation}
diff --git a/site/src/routes/repl/[id]/index.svelte b/site/src/routes/repl/[id]/index.svelte
index 4c5a22d6da..f2a3c02173 100644
--- a/site/src/routes/repl/[id]/index.svelte
+++ b/site/src/routes/repl/[id]/index.svelte
@@ -206,6 +206,7 @@
 		<div class="viewport" class:offset={checked}>
 			<Repl
 				bind:this={repl}
+				workersUrl="workers"
 				{svelteUrl}
 				{rollupUrl}
 				{relaxed}
diff --git a/site/src/routes/tutorial/[slug]/index.svelte b/site/src/routes/tutorial/[slug]/index.svelte
index 34c9d38f79..1f166d70bf 100644
--- a/site/src/routes/tutorial/[slug]/index.svelte
+++ b/site/src/routes/tutorial/[slug]/index.svelte
@@ -302,6 +302,7 @@
 		<div class="tutorial-repl">
 			<Repl
 				bind:this={repl}
+				workersUrl="workers"
 				{svelteUrl}
 				{rollupUrl}
 				orientation={mobile ? 'columns' : 'rows'}
diff --git a/site/src/server.js b/site/src/server.js
index 45f3e16dae..2adf3c5ad1 100644
--- a/site/src/server.js
+++ b/site/src/server.js
@@ -2,11 +2,12 @@ import sirv from 'sirv';
 import * as sapper from '@sapper/server';
 import { API } from './backend/auth';
 
-const { PORT=3000 } = process.env;
+const { PORT = 3000 } = process.env;
 
 API()
 	.use(
 		sirv('static', {
+			dev: process.env.NODE_ENV === 'development',
 			setHeaders(res) {
 				res.setHeader('Access-Control-Allow-Origin', '*');
 				res.hasHeader('Cache-Control') || res.setHeader('Cache-Control', 'max-age=600'); // 10min default