diff --git a/client/src/connection.ts b/client/src/connection.ts
index 3a132a83..a0d452e1 100644
--- a/client/src/connection.ts
+++ b/client/src/connection.ts
@@ -3,8 +3,9 @@
  */
 
 import * as React from 'react';
-import * as monaco from 'monaco-editor/esm/vs/editor/editor.api.js'
 import { LeanClient } from 'lean4web/client/src/editor/leanclient';
+import { IConnectionProvider } from 'monaco-languageclient'
+import { toSocket, WebSocketMessageReader, WebSocketMessageWriter } from 'vscode-ws-jsonrpc'
 
 export class Connection {
   private game: string = undefined // We only keep a connection to a single game at a time
@@ -18,8 +19,32 @@ export class Connection {
       this.game = game
       // Start a new Lean client for the new `gameId`.
       const socketUrl = ((window.location.protocol === "https:") ? "wss://" : "ws://") + window.location.host + '/websocket/' + game
-      const uri = monaco.Uri.parse('file:///')
-      this.leanClient = new LeanClient(socketUrl, undefined, uri, () => {})
+
+      const connectionProvider : IConnectionProvider = {
+        get: async () => {
+          return await new Promise((resolve, reject) => {
+            console.log(`connecting ${socketUrl}`)
+            const websocket = new WebSocket(socketUrl)
+            websocket.addEventListener('error', (ev) => {
+              reject(ev)
+            })
+            websocket.addEventListener('message', (msg) => {
+              // console.log(msg.data)
+            })
+            websocket.addEventListener('open', () => {
+              const socket = toSocket(websocket)
+              const reader = new WebSocketMessageReader(socket)
+              const writer = new WebSocketMessageWriter(socket)
+              resolve({
+                reader,
+                writer
+              })
+            })
+          })
+        }
+      }
+
+      this.leanClient = new LeanClient(connectionProvider, () => {})
     }
 
     return this.leanClient
diff --git a/package-lock.json b/package-lock.json
index 5f190c33..66425b54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
         "debounce": "^1.2.1",
         "express": "^4.18.2",
         "lean4-infoview": "https://gitpkg.now.sh/leanprover/vscode-lean4/lean4-infoview?de0062c",
-        "lean4web": "github:hhu-adam/lean4web",
+        "lean4web": "github:leanprover-community/lean4web#cleanup",
         "octokit": "^2.0.14",
         "path-browserify": "^1.0.1",
         "react": "^18.2.0",
@@ -6259,26 +6259,11 @@
       "integrity": "sha512-NmWvPnx0F1SfrQbYwOi7OeaNGokp9XhzNioJ/CSBs8Qa4vxug81mhJEAVZwxXuBmYB5KDRfMq/F3RR0BIU7sWg=="
     },
     "node_modules/axios": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.2.tgz",
-      "integrity": "sha512-7i24Ri4pmDRfJTR7LDBhsOTtcm+9kjX5WiY1X3wIisx6G9So3pfMkEiU7emUBe46oceVImccTEM3k6C5dbVW8A==",
+      "version": "0.24.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.24.0.tgz",
+      "integrity": "sha512-Q6cWsys88HoPgAaFAVUb0WpPk0O8iTeisR9IMqy9G8AbO4NlpVknrnQS03zzF9PGAWgO3cgletO3VjV/P7VztA==",
       "dependencies": {
-        "follow-redirects": "^1.15.0",
-        "form-data": "^4.0.0",
-        "proxy-from-env": "^1.1.0"
-      }
-    },
-    "node_modules/axios/node_modules/form-data": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.0.tgz",
-      "integrity": "sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==",
-      "dependencies": {
-        "asynckit": "^0.4.0",
-        "combined-stream": "^1.0.8",
-        "mime-types": "^2.1.12"
-      },
-      "engines": {
-        "node": ">= 6"
+        "follow-redirects": "^1.14.4"
       }
     },
     "node_modules/babel-core": {
@@ -10438,14 +10423,14 @@
       }
     },
     "node_modules/lean4": {
-      "version": "0.0.119",
-      "resolved": "https://gitpkg.now.sh/leanprover/vscode-lean4/vscode-lean4?8d0cc34dcfa00da8b4a48394ba1fb3a600e3f985",
-      "integrity": "sha512-hA7bb0EFlNwtk7+/7gO5OZS7HtrhmoRacE/b2etFBYG4FbkZd/NKTcs5PHGcKsYXeVghkOOZjw0uhNWaeW3gvw==",
+      "version": "0.0.118",
+      "resolved": "https://gitpkg.now.sh/leanprover/vscode-lean4/vscode-lean4?3f62c2a45d2e1861cdb448673a271d03d915902a",
+      "integrity": "sha512-O+mQy8Zq3AdmEVcJP/DHjUwUmOFenLGonamgO+aL8uWOEenFi2WEgyD/PvvOucHzTsEOOaJly5YGJgoYXOCA0w==",
       "license": "Apache-2.0",
       "dependencies": {
         "@leanprover/infoview": "~0.4.3",
         "@leanprover/infoview-api": "~0.2.1",
-        "axios": "^1.6.2",
+        "axios": "~0.24.0",
         "cheerio": "^1.0.0-rc.10",
         "mobx": "5.15.7",
         "semver": "^7.5.4",
@@ -10513,7 +10498,7 @@
     },
     "node_modules/lean4web": {
       "version": "0.1.0",
-      "resolved": "git+ssh://git@github.com/hhu-adam/lean4web.git#6fc9c11179934cce7ca1f78140c57b6931186b42",
+      "resolved": "git+ssh://git@github.com/leanprover-community/lean4web.git#53746f9f000ff6d92dcab8bdc526cebb73b76763",
       "dependencies": {
         "@emotion/react": "^11.11.1",
         "@emotion/styled": "^11.11.0",
@@ -10522,13 +10507,13 @@
         "@fortawesome/fontawesome-svg-core": "^6.2.0",
         "@fortawesome/free-solid-svg-icons": "^6.2.0",
         "@fortawesome/react-fontawesome": "^0.2.0",
-        "@leanprover/infoview": "^0.4.3",
+        "@leanprover/infoview": "^0.4.1",
         "@mui/material": "^5.13.7",
         "@vitejs/plugin-react-swc": "^3.4.0",
         "express": "^4.18.2",
         "file-saver": "^2.0.5",
         "ip-anonymize": "^0.1.0",
-        "lean4": "https://gitpkg.now.sh/leanprover/vscode-lean4/vscode-lean4?8d0cc34dcfa00da8b4a48394ba1fb3a600e3f985",
+        "lean4": "https://gitpkg.now.sh/leanprover/vscode-lean4/vscode-lean4?3f62c2a45d2e1861cdb448673a271d03d915902a",
         "mobx": "^6.6.2",
         "moment-timezone": "^0.5.39",
         "monaco-editor": "^0.34.1",
@@ -13579,11 +13564,6 @@
         "node": ">= 0.10"
       }
     },
-    "node_modules/proxy-from-env": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
-      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
-    },
     "node_modules/psl": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.9.0.tgz",
diff --git a/package.json b/package.json
index d81a59ca..441ed583 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "debounce": "^1.2.1",
     "express": "^4.18.2",
     "lean4-infoview": "https://gitpkg.now.sh/leanprover/vscode-lean4/lean4-infoview?de0062c",
-    "lean4web": "github:hhu-adam/lean4web",
+    "lean4web": "github:leanprover-community/lean4web#cleanup",
     "octokit": "^2.0.14",
     "path-browserify": "^1.0.1",
     "react": "^18.2.0",