diff --git a/Readme.md b/Readme.md
index a5d00de..e7ff4ae 100644
--- a/Readme.md
+++ b/Readme.md
@@ -20,6 +20,11 @@ The emitter is also available in other programming languages:
 
 It must be used in conjunction with [socket.io-redis](https://github.com/socketio/socket.io-redis/).
 
+The current version is compatible with both:
+
+- `socket.io-redis@5` (`socket.io@2`)
+- `socket.io-redis@6` (`socket.io@3`)
+
 ## Table of content
 
 - [How to use](#how-to-use)
diff --git a/package-lock.json b/package-lock.json
index 5d5e0d9..3288ea1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,30 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/component-emitter": {
+      "version": "1.2.10",
+      "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz",
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+      "dev": true
+    },
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+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.0.tgz",
+      "integrity": "sha512-y7mImlc/rNkvCRmg8gC3/lj87S7pTUIJ6QGjwHR9WQJcFs+ZMTOaoPrkdFA/YdbuqVEmEbb5RdhVxMkAcgOnpg==",
+      "dev": true
+    },
+    "@types/cors": {
+      "version": "2.8.9",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.9.tgz",
+      "integrity": "sha512-zurD1ibz21BRlAOIKP8yhrxlqKx6L9VCwkB5kMiP6nZAhoF5MvC7qS1qPA7nRcr1GJolfkQC7/EAL4hdYejLtg==",
+      "dev": true
+    },
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+      "version": "14.14.16",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.16.tgz",
+      "integrity": "sha512-naXYePhweTi+BMv11TgioE2/FXU4fSl29HAH1ffxVciNsH3rYXjNP2yM8wqmSm7jS20gM8TIklKiTen+1iVncw==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -14,24 +38,6 @@
         "negotiator": "0.6.2"
       }
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-      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
-      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=",
-      "dev": true
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-      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.7.tgz",
-      "integrity": "sha512-wGUIVQXuehL5TCqQun8OW81jGzAWycqzFF8lFp+GOM5BXLYj3bKNsYC4daB7n6XjCqxQA/qgTJ+8ANR3acjrog==",
-      "dev": true
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-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==",
-      "dev": true
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@@ -45,30 +51,15 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
-      "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg=",
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
+      "integrity": "sha1-mBjHngWbE1X5fgQooBfIOOkLqBI=",
       "dev": true
     },
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-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=",
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-      "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
-      "dev": true,
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
       "dev": true
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@@ -87,12 +78,6 @@
       "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
       "dev": true
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-      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-      "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA=",
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       "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
@@ -113,12 +98,6 @@
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
       "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
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-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
-      "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM=",
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@@ -126,11 +105,21 @@
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-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
-      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=",
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==",
       "dev": true
     },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "dev": true,
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
     "debug": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -157,50 +146,91 @@
       "integrity": "sha1-ED01J/0xUo9AGIEwyEHv3XgmTlw="
     },
     "engine.io": {
-      "version": "3.1.5",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.1.5.tgz",
-      "integrity": "sha512-D06ivJkYxyRrcEe0bTpNnBQNgP9d3xog+qZlLbui8EsMr/DouQpf5o9FzJnWYHEYE0YsFHllUv2R1dkgYZXHcA==",
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.0.5.tgz",
+      "integrity": "sha512-Ri+whTNr2PKklxQkfbGjwEo+kCBUM4Qxk4wtLqLrhH+b1up2NFL9g9pjYWiCV/oazwB0rArnvF/ZmZN2ab5Hpg==",
       "dev": true,
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-        "base64id": "1.0.0",
-        "cookie": "0.3.1",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.0",
-        "uws": "~9.14.0",
-        "ws": "~3.3.1"
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "cors": "~2.8.5",
+        "debug": "~4.1.0",
+        "engine.io-parser": "~4.0.0",
+        "ws": "^7.1.2"
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@@ -267,12 +297,6 @@
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+        "socket.io-parser": {
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+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.0.2.tgz",
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@@ -614,15 +671,15 @@
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+      "resolved": "https://registry.npmjs.org/socket.io-redis/-/socket.io-redis-6.0.1.tgz",
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         "redis": "^3.0.0",
-        "socket.io-adapter": "~1.1.0",
+        "socket.io-adapter": "~2.0.0",
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@@ -679,31 +736,18 @@
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+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
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-    "uws": {
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@@ -711,15 +755,10 @@
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-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
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+      "version": "7.4.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.1.tgz",
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+      "dev": true
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diff --git a/package.json b/package.json
index e271735..0166686 100644
--- a/package.json
+++ b/package.json
@@ -20,10 +20,10 @@
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   },
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-    "socket.io": "~2.0.1",
-    "socket.io-client": "~2.0.1",
-    "socket.io-redis": "^5.1.0"
+    "mocha": "~3.2.0",
+    "socket.io": "^3.0.4",
+    "socket.io-client": "^3.0.4",
+    "socket.io-redis": "^6.0.1"
   }
 }