diff --git a/README.md b/README.md
index 8fe17ac..3ce7985 100644
--- a/README.md
+++ b/README.md
@@ -14,12 +14,10 @@
 
 Make sure you're using the proper corresponding version of socket.io on the server.
 
-| Package Version  | Server Version |
-| ---------------- | -------------- |
-| v1.0.6 -> v3.2.0 | v2.2.0         |
-| v3.3.0           | v4.0.0         |
-| v3.3.1           | v2.2.0         |
-| v4.0.0           | v4.0.0         |
+| Package Version  | Socket-io Server Version |
+| ---------------- | ------------------------ |
+| v3.4.0           | v2.2.0                   |
+| v4.0.0           | v4.0.0                   |
 
 ## How to use
 
diff --git a/package-lock.json b/package-lock.json
index 20c5b04..8a9e489 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ngx-socket-io",
-  "version": "4.0.1",
+  "version": "3.4.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index be0a60d..cc9c4dd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ngx-socket-io",
-  "version": "4.0.1",
+  "version": "3.4.0",
   "description": "Socket.IO module for Angular",
   "main": "index.ts",
   "scripts": {
@@ -26,24 +26,24 @@
   "dependencies": {
     "core-js": "^3.0.0",
     "reflect-metadata": "^0.1.10",
-    "socket.io": "^4.0.0",
-    "socket.io-client": "^4.0.0",
+    "socket.io": "^2.2.0",
+    "socket.io-client": "^2.2.0",
     "zone.js": "^0.10.1"
   },
   "peerDependencies": {
-    "@angular/common": "^11.0.0",
-    "@angular/core": "^11.0.0",
+    "@angular/common": "^12.0.0",
+    "@angular/core": "^12.0.0",
     "rxjs": "^6.1.0"
   },
   "devDependencies": {
-    "@angular/compiler": "^11.0.0",
-    "@angular/compiler-cli": "^11.0.0",
-    "@angular/core": "^11.0.0",
+    "@angular/compiler": "^12.0.0",
+    "@angular/compiler-cli": "^12.0.0",
+    "@angular/core": "^12.0.0",
     "@types/node": "^12.7.1",
     "@types/socket.io": "^2.1.2",
     "@types/socket.io-client": "^1.4.32",
     "husky": "^6.0.0",
-    "ng-packagr": "^11.0.0",
+    "ng-packagr": "^12.0.0",
     "prettier": "^2.2.1",
     "rxjs": "^6.1.0",
     "server-destroy": "^1.0.1",