diff --git a/package-lock.json b/package-lock.json
index 2c23aec..5701d60 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -105,9 +105,9 @@
       }
     },
     "@types/simple-peer": {
-      "version": "9.6.3",
-      "resolved": "https://registry.npmjs.org/@types/simple-peer/-/simple-peer-9.6.3.tgz",
-      "integrity": "sha512-zrXEBch9tF4NgkZDsGR3c1D0kq99M1bBCjzEyL0PVfEWzCIXrK64TuxRz3XKOx1B0KoEQ9kTs+AhMDuQaHy5RQ==",
+      "version": "9.11.3",
+      "resolved": "https://registry.npmjs.org/@types/simple-peer/-/simple-peer-9.11.3.tgz",
+      "integrity": "sha512-GHrZSrLBqaa/puFQdLnhepOvPiqlDnHXbTbTMx4JdIzhnSJ9tg7iu795aPnMPV9QpQ5h7CR5XqfqORY1P2qehw==",
       "dev": true,
       "requires": {
         "@types/node": "*"
@@ -2544,9 +2544,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.9.9",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.9.tgz",
-      "integrity": "sha512-kdMjTiekY+z/ubJCATUPlRDl39vXYiMV9iyeMuEuXZh2we6zz80uovNN2WlAxmmdE/Z/YQe+EbOEXB5RHEED3w==",
+      "version": "3.9.10",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.10.tgz",
+      "integrity": "sha512-w6fIxVE/H1PkLKcCPsFqKE7Kv7QUwhU8qQY2MueZXWx5cPZdwFupLgKK3vntcK98BtNHZtAF4LA/yl2a7k8R6Q==",
       "dev": true
     },
     "union": {
@@ -2705,12 +2705,12 @@
       }
     },
     "yjs": {
-      "version": "13.5.6",
-      "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.5.6.tgz",
-      "integrity": "sha512-0ebPpLB/zizJbWaFUDRarWbXiXYD0OMDOCa8ZqkVVWQzeIoMRbmbNwB3suZ9YwD0bV4Su9RLn8M/bvGzIwX3hA==",
+      "version": "13.5.20",
+      "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.5.20.tgz",
+      "integrity": "sha512-VZuxhu0V6ILtAHi+7JmCxhkzvffLzpH70Nso4zTGj3qeq1ZuqZhLRjQZwBbFHlBTZD0PvpsFk20BlG5XDScr/w==",
       "dev": true,
       "requires": {
-        "lib0": "^0.2.41"
+        "lib0": "^0.2.42"
       }
     }
   }
diff --git a/package.json b/package.json
index d4449b1..bd9c4b1 100644
--- a/package.json
+++ b/package.json
@@ -63,15 +63,15 @@
   "devDependencies": {
     "@rollup/plugin-commonjs": "^11.1.0",
     "@rollup/plugin-node-resolve": "^7.1.3",
-    "@types/simple-peer": "^9.6.3",
+    "@types/simple-peer": "^9.11.3",
     "concurrently": "^5.3.0",
     "http-server": "^0.12.3",
     "rollup": "^1.32.1",
     "rollup-cli": "^1.0.9",
     "rollup-plugin-terser": "^5.3.1",
     "standard": "^14.3.4",
-    "typescript": "^3.9.9",
-    "yjs": "^13.5.6"
+    "typescript": "^3.9.10",
+    "yjs": "^13.5.20"
   },
   "peerDependenies": {
     "yjs": "^13.5.6"
diff --git a/rollup.config.js b/rollup.config.js
index 0e24261..adebbb5 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -95,15 +95,7 @@ export default [
       name: 'y-webrtc',
       file: 'dist/y-webrtc.cjs',
       format: 'cjs',
-      sourcemap: true,
-      paths: path => {
-        if (/^lib0\//.test(path)) {
-          return `lib0/dist${path.slice(4)}.cjs`
-        } else if (/^y-protocols\//.test(path)) {
-          return `y-protocols/dist${path.slice(11)}.cjs`
-        }
-        return path
-      }
+      sourcemap: true
     }]
   }
 ]
diff --git a/src/y-webrtc.js b/src/y-webrtc.js
index 4b141cb..0191331 100644
--- a/src/y-webrtc.js
+++ b/src/y-webrtc.js
@@ -358,7 +358,7 @@ export class Room {
       encoding.writeVarUint8Array(encoderAwareness, awarenessProtocol.encodeAwarenessUpdate(this.awareness, changedClients))
       broadcastRoomMessage(this, encoding.toUint8Array(encoderAwareness))
     }
-    
+
     window.addEventListener('beforeunload', () => {
       awarenessProtocol.removeAwarenessStates(this.awareness, [doc.clientID], 'window unload')
       rooms.forEach(room => {
@@ -370,7 +370,6 @@ export class Room {
   connect () {
     this.doc.on('update', this._docUpdateHandler)
     this.awareness.on('update', this._awarenessUpdateHandler)
-    
     // signal through all available signaling connections
     announceSignalingInfo(this)
     const roomName = this.name
diff --git a/test/crypto.test.js b/test/crypto.test.js
index 898cf35..917435b 100644
--- a/test/crypto.test.js
+++ b/test/crypto.test.js
@@ -1,7 +1,7 @@
 
-import * as cryptutils from '../src/crypto.js'
-import * as t from 'lib0/testing.js'
-import * as prng from 'lib0/prng.js'
+import * as cryptutils from '../src/crypto'
+import * as t from 'lib0/testing'
+import * as prng from 'lib0/prng'
 
 /**
  * @param {t.TestCase} tc
diff --git a/test/index.js b/test/index.js
index b1bc62b..3dc91d2 100644
--- a/test/index.js
+++ b/test/index.js
@@ -1,9 +1,9 @@
 
 import * as crypto from './crypto.test.js'
 
-import { runTests } from 'lib0/testing.js'
-import { isBrowser, isNode } from 'lib0/environment.js'
-import * as log from 'lib0/logging.js'
+import { runTests } from 'lib0/testing'
+import { isBrowser, isNode } from 'lib0/environment'
+import * as log from 'lib0/logging'
 
 if (isBrowser) {
   log.createVConsole(document.body)