diff --git a/index.js b/index.js
index 2f04997..83cbc9b 100644
--- a/index.js
+++ b/index.js
@@ -82,18 +82,21 @@ app.use(async (ctx) => {
           console.log(err);
           break;
         default:
-          console.error('Unexpected error:')
+          console.error('Unexpected error:');
           console.error(err);
           break;
       }
-    })
+    });
     db.listen(ws, { docId, readOnly }); // docId and readOnly is passed to 'connect' middleware as ctx.req
   } else {
     ctx.body = { docId, readOnly };
   }
 });
 
-app.listen(process.env.PORT || 8080);
+const server = app.listen(process.env.PORT || 8080);
+// Reference: https://github.com/b3nsn0w/koa-easy-ws/issues/36
+server.requestTimeout = 0;
+server.headersTimeout = 0;
 
 function getSessionDetails(sessionId) {
   const sessionDetails = documents.get(sessionId);
diff --git a/package.json b/package.json
index 34713f8..e3c0bc8 100644
--- a/package.json
+++ b/package.json
@@ -15,10 +15,11 @@
     "@koa/cors": "^5.0.0",
     "@teamwork/websocket-json-stream": "^2.0.0",
     "koa": "^2.15.4",
-    "koa-bodyparser": "^4.3.0",
-    "koa-easy-ws": "^1.2.0",
-    "sharedb": "^1.4.1",
-    "uuid": "^8.3.0"
+    "koa-bodyparser": "^4.4.1",
+    "koa-easy-ws": "^2.1.0",
+    "sharedb": "^5.1.1",
+    "uuid": "^11.1.0",
+    "ws": "^8.18.0"
   },
   "devDependencies": {
     "eslint": "^7.6.0",
diff --git a/yarn.lock b/yarn.lock
index eba9221..69ad46e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -115,22 +115,20 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-arraydiff@^0.1.1:
+arraydiff@^0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/arraydiff/-/arraydiff-0.1.3.tgz#86a5436d7b72f1bdda5fd6d74e8724e42f83ce4d"
-  integrity sha1-hqVDbXty8b3aX9bXTock5C+Dzk0=
+  integrity sha512-t0OgO06uolEcMUvV8+yHc9Pc9pazh8wi/Dtyok/sQwvcr8iFV+P86IfAzK7upUDhI4oavhVREMY7iSWtm38LeA==
 
 astral-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
   integrity sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==
 
-async@^2.6.3:
-  version "2.6.4"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
-  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
-  dependencies:
-    lodash "^4.17.14"
+async@^3.2.4:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.6.tgz#1b0728e14929d51b85b449b7f06e27c1145e38ce"
+  integrity sha512-htCUDlxyyCLMgaM3xXg0C0LW2xqfuQ6p05pCEIsXuyQ+a1koYKTuBMzRNwmybfLgvJDMd0r1LTn4+E0Ti6C2AA==
 
 balanced-match@^1.0.0:
   version "1.0.0"
@@ -463,12 +461,7 @@ esutils@^2.0.2:
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
   integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
-fast-deep-equal@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
-  integrity sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=
-
-fast-deep-equal@^3.1.1:
+fast-deep-equal@^3.1.1, fast-deep-equal@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
   integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
@@ -736,13 +729,14 @@ keygrip@~1.1.0:
   dependencies:
     tsscmp "1.0.6"
 
-koa-bodyparser@^4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/koa-bodyparser/-/koa-bodyparser-4.3.0.tgz#274c778555ff48fa221ee7f36a9fbdbace22759a"
-  integrity sha512-uyV8G29KAGwZc4q/0WUAjH+Tsmuv9ImfBUF2oZVyZtaeo0husInagyn/JH85xMSxM0hEk/mbCII5ubLDuqW/Rw==
+koa-bodyparser@^4.4.1:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/koa-bodyparser/-/koa-bodyparser-4.4.1.tgz#a908d848e142cc57d9eece478e932bf00dce3029"
+  integrity sha512-kBH3IYPMb+iAXnrxIhXnW+gXV8OTzCu8VPDqvcDHW9SQrbkHmqPQtiZwrltNmSq6/lpipHnT7k7PsjlVD7kK0w==
   dependencies:
     co-body "^6.0.0"
     copy-to "^2.0.1"
+    type-is "^1.6.18"
 
 koa-compose@^4.1.0:
   version "4.1.0"
@@ -757,13 +751,12 @@ koa-convert@^2.0.0:
     co "^4.6.0"
     koa-compose "^4.1.0"
 
-koa-easy-ws@^1.2.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/koa-easy-ws/-/koa-easy-ws-1.3.0.tgz#dbf8eeb126ca11eed4c4e3af7904a47c25be2347"
-  integrity sha512-06lHAwm25HBdplTpwHiZqKcl39vS4KiVzRPneUExCHVvQ9TPHmFlUFO/gjQrUdLj3+kvqQpqdlIPNb91wn6EwA==
+koa-easy-ws@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/koa-easy-ws/-/koa-easy-ws-2.1.0.tgz#31e1ee1072fd1a72ffdc59706a0e54bc023e20ee"
+  integrity sha512-SF6RHIuHttkt9RdACWPRFlSOHPcVS87otBfChLx83vmB1en8uODmE5G1thuKd0qUPRZU8FvFHJXWIxf7ib9J1w==
   dependencies:
     debug "^4.1.1"
-    ws "^7.3.1"
 
 koa@^2.15.4:
   version "2.15.4"
@@ -901,7 +894,7 @@ optionator@^0.9.1:
     type-check "^0.4.0"
     word-wrap "^1.2.3"
 
-ot-json0@^1.0.1:
+ot-json0@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/ot-json0/-/ot-json0-1.1.0.tgz#f5edeff162673b62f0f136bb64724c40ac5e590d"
   integrity sha512-wf5fci7GGpMYRDnbbdIFQymvhsbFACMHtxjivQo5KgvAHlxekyfJ9aPsRr6YfFQthQkk4bmsl5yESrZwC/oMYQ==
@@ -1019,16 +1012,16 @@ setprototypeof@1.2.0:
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.2.0.tgz#66c9a24a73f9fc28cbe66b09fed3d33dcaf1b424"
   integrity sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==
 
-sharedb@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/sharedb/-/sharedb-1.4.1.tgz#f40c806a9713857efaefc7dc990b8f2de1a0c703"
-  integrity sha512-SwsEgVKMtHfJgWe6W8CoDRATg1auJNOal0XttvteylzNaJwM/jMycuQuB5vxFWLBRirWgQip6KuSOi+5s8ncgQ==
+sharedb@^5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/sharedb/-/sharedb-5.1.1.tgz#d1013cbc25e11be8d5a5c0e469a4b7242eeccdf6"
+  integrity sha512-qNiO2nJdvnQYRvKMiZzbPyyXuBN0uulP4VaFrybJRLVSif8XPEnNO7Up/aHO3nwA5UejizzncOL8KVba4Rj4KA==
   dependencies:
-    arraydiff "^0.1.1"
-    async "^2.6.3"
-    fast-deep-equal "^2.0.1"
+    arraydiff "^0.1.3"
+    async "^3.2.4"
+    fast-deep-equal "^3.1.3"
     hat "0.0.3"
-    ot-json0 "^1.0.1"
+    ot-json0 "^1.1.0"
 
 shebang-command@^2.0.0:
   version "2.0.0"
@@ -1149,7 +1142,7 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
-type-is@^1.6.16:
+type-is@^1.6.16, type-is@^1.6.18:
   version "1.6.18"
   resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
   integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
@@ -1169,10 +1162,10 @@ uri-js@^4.2.2:
   dependencies:
     punycode "^2.1.0"
 
-uuid@^8.3.0:
-  version "8.3.1"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.1.tgz#2ba2e6ca000da60fce5a196954ab241131e05a31"
-  integrity sha512-FOmRr+FmWEIG8uhZv6C2bTgEVXsHk08kE7mPlrBbEe+c3r9pjceVPgupIfNIhc4yx55H69OXANrUaSuu9eInKg==
+uuid@^11.1.0:
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-11.1.0.tgz#9549028be1753bb934fc96e2bca09bb4105ae912"
+  integrity sha512-0/A9rDy9P7cJ+8w1c9WD9V//9Wj15Ce2MPz8Ri6032usz+NfePxx5AcN3bN+r6ZL6jEo066/yNYB3tn4pQEx+A==
 
 v8-compile-cache@^2.0.3:
   version "2.1.1"
@@ -1208,10 +1201,10 @@ write@1.0.3:
   dependencies:
     mkdirp "^0.5.1"
 
-ws@^7.3.1:
-  version "7.5.10"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.10.tgz#58b5c20dc281633f6c19113f39b349bd8bd558d9"
-  integrity sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==
+ws@^8.18.0:
+  version "8.18.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.18.0.tgz#0d7505a6eafe2b0e712d232b42279f53bc289bbc"
+  integrity sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw==
 
 yallist@^4.0.0:
   version "4.0.0"