diff --git a/services/real-time/app.js b/services/real-time/app.js
index 1580f18027..4499b6adf0 100644
--- a/services/real-time/app.js
+++ b/services/real-time/app.js
@@ -23,8 +23,6 @@ const CookieParser = require('cookie-parser')
 const DrainManager = require('./app/js/DrainManager')
 const HealthCheckManager = require('./app/js/HealthCheckManager')
 
-// work around frame handler bug in socket.io v0.9.16
-require('./socket.io.patch.js')
 // Set up socket.io server
 const app = express()
 
diff --git a/services/real-time/package-lock.json b/services/real-time/package-lock.json
index 616f0edea9..399b980143 100644
--- a/services/real-time/package-lock.json
+++ b/services/real-time/package-lock.json
@@ -4530,14 +4530,13 @@
       }
     },
     "socket.io": {
-      "version": "0.9.19",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-0.9.19.tgz",
-      "integrity": "sha512-UPdVIGPBPmCibzIP2rAjXuiPTI2gPs6kiu4P7njH6WAK7wiOlozNG62ohohCNOycx+Dztd4vRNXxq8alIOEtfA==",
+      "version": "https://github.com/overleaf/socket.io/archive/0.9.19-overleaf-2.tar.gz",
+      "integrity": "sha512-BVxF8Wz4FTj2hxiBtujKQUAihdVzxjSaJ++k/wr7pJfAt30kmyOXLkfyvFDzZISQ9SyDa2B4nBYJP3+MKBpaAg==",
       "requires": {
         "base64id": "0.1.0",
         "policyfile": "0.0.4",
         "redis": "0.7.3",
-        "socket.io-client": "0.9.16"
+        "socket.io-client": "https://github.com/overleaf/socket.io-client/archive/0.9.17-overleaf-1.tar.gz"
       },
       "dependencies": {
         "redis": {
@@ -4545,24 +4544,12 @@
           "resolved": "https://registry.npmjs.org/redis/-/redis-0.7.3.tgz",
           "integrity": "sha512-0Pgb0jOLfn6eREtEIRn/ifyZJjl2H+wUY4F/Pe7T4UhmoSrZ/1HU5ZqiBpDk8I8Wbyv2N5DpXKzbEtMj3drprg==",
           "optional": true
-        },
-        "socket.io-client": {
-          "version": "0.9.16",
-          "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-0.9.16.tgz",
-          "integrity": "sha512-wSM7PKJkzpGqUAo6d6SAn+ph4xeQJ6nzyDULRJAX1G7e6Xm0wNuMh2RpNvwXrHMzoV9Or5hti7LINiQAm1H2yA==",
-          "requires": {
-            "active-x-obfuscator": "0.0.1",
-            "uglify-js": "1.2.5",
-            "ws": "0.4.x",
-            "xmlhttprequest": "1.4.2"
-          }
         }
       }
     },
     "socket.io-client": {
-      "version": "0.9.17",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-0.9.17.tgz",
-      "integrity": "sha512-gKV451FUZPLeJmA8vPfvqRZctAzWNOlaB0C06MeDFmrGquDNMllnpXp+1+4QS2NaZvcycoJHVt72R5uNaLCIBg==",
+      "version": "https://github.com/overleaf/socket.io-client/archive/0.9.17-overleaf-1.tar.gz",
+      "integrity": "sha512-MchfS0GCu0BVbJXRk+HfHme5jHPWMDrNifbOhXZHJBtF03dLfCJcMPLYMQBtBGWQrrZsqXI0O9P3BO3hu0cPLA==",
       "requires": {
         "active-x-obfuscator": "0.0.1",
         "uglify-js": "1.2.5",
diff --git a/services/real-time/package.json b/services/real-time/package.json
index 5d9f58079e..cfb3e47d45 100644
--- a/services/real-time/package.json
+++ b/services/real-time/package.json
@@ -32,8 +32,8 @@
     "redis-sharelatex": "^1.0.12",
     "request": "^2.88.2",
     "settings-sharelatex": "^1.1.0",
-    "socket.io": "0.9.19",
-    "socket.io-client": "^0.9.16"
+    "socket.io": "https://github.com/overleaf/socket.io/archive/0.9.19-overleaf-2.tar.gz",
+    "socket.io-client": "https://github.com/overleaf/socket.io-client/archive/0.9.17-overleaf-1.tar.gz"
   },
   "devDependencies": {
     "bunyan": "~0.22.3",
diff --git a/services/real-time/socket.io.patch.js b/services/real-time/socket.io.patch.js
deleted file mode 100644
index 5852a4f266..0000000000
--- a/services/real-time/socket.io.patch.js
+++ /dev/null
@@ -1,74 +0,0 @@
-// EventEmitter has been removed from process in node >= 7
-// https://github.com/nodejs/node/commit/62b544290a075fe38e233887a06c408ba25a1c71
-/*
-  A socket.io dependency expects the EventEmitter to be available at
-    `process.EventEmitter`.
-  See this trace:
-  ---
-
-  /app/node_modules/policyfile/lib/server.js:254
-  Object.keys(process.EventEmitter.prototype).forEach(function proxy (key){
-                                   ^
-
-  TypeError: Cannot read property 'prototype' of undefined
-    at Object.<anonymous> (/app/node_modules/policyfile/lib/server.js:254:34)
- */
-if (process.versions.node.split('.')[0] >= 7) {
-  // eslint-disable-next-line node/no-deprecated-api
-  process.EventEmitter = require('events')
-}
-
-var io = require('socket.io')
-const logger = require('logger-sharelatex')
-
-if (io.version === '0.9.16' || io.version === '0.9.19') {
-  logger.warn('patching socket.io hybi-16 transport frame prototype')
-  var transports = require('socket.io/lib/transports/websocket/hybi-16.js')
-  transports.prototype.frame = patchedFrameHandler
-  // file hybi-07-12 has the same problem but no browsers are using that protocol now
-}
-
-function patchedFrameHandler(opcode, str) {
-  var dataBuffer = Buffer.from(str)
-  var dataLength = dataBuffer.length
-  var startOffset = 2
-  var secondByte = dataLength
-  if (dataLength === 65536) {
-    logger.log('fixing invalid frame length in socket.io')
-  }
-  if (dataLength > 65535) {
-    // original code had > 65536
-    startOffset = 10
-    secondByte = 127
-  } else if (dataLength > 125) {
-    startOffset = 4
-    secondByte = 126
-  }
-  var outputBuffer = Buffer.alloc(dataLength + startOffset)
-  outputBuffer[0] = opcode
-  outputBuffer[1] = secondByte
-  dataBuffer.copy(outputBuffer, startOffset)
-  switch (secondByte) {
-    case 126:
-      outputBuffer[2] = dataLength >>> 8
-      outputBuffer[3] = dataLength % 256
-      break
-    case 127:
-      var l = dataLength
-      for (var i = 1; i <= 8; ++i) {
-        outputBuffer[startOffset - i] = l & 0xff
-        l >>>= 8
-      }
-  }
-  return outputBuffer
-}
-
-const parser = require('socket.io/lib/parser')
-const decodePacket = parser.decodePacket
-parser.decodePacket = function (data) {
-  if (typeof data !== 'string') return {}
-  const firstColon = data.indexOf(':')
-  if (firstColon === -1) return {}
-  if (data.indexOf(':', firstColon + 1) === -1) return {}
-  return decodePacket(data)
-}