diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4caa3c..8efeb70 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [4.0.1] - 15-01-2022
+
+- enable() and disable() methods can now enable or disable extensions
+
 ## [4.0.0] - 03-01-2022
 
 In this new major update many of the features requested in the previous issues have been fixed, introduced or improved:
@@ -14,7 +18,6 @@ In this new major update many of the features requested in the previous issues h
 - from this version if no extensions are specified in the configuration then all are printed, otherwise only the specified ones
 - the colors option for the consoleTransport must now be set with the desired colors for each level (see the readme), if not set the logs will not be colored
 - removed css web color support (latest chrome versions support ansi codes)
-- enable() and disable() methods can now only enable or disable the whole logger
 
 ## [3.0.4] - 04-06-2021
 
diff --git a/README.md b/README.md
index d6b07aa..34c5bc5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,3 @@
-[![Build Status](https://travis-ci.org/onubo/react-native-logs.svg?branch=master)](https://travis-ci.org/onubo/react-native-logs)
 ![npm](https://img.shields.io/npm/v/react-native-logs.svg)
 ![GitHub](https://img.shields.io/github/license/onubo/react-native-logs.svg)
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/onubo/react-native-logs/issues)
@@ -146,7 +145,7 @@ whatever you want. The following parameters are received by the function:
 - `extension?: string | null`: its namespace if it is an extended log
 - `options?: any`: the transportOptions object
 
-You can define your custom transport as follow (example in typescript):
+You can define your custom transport as follow (example in typescript)§:
 
 ```javascript
 import { logger, transportFunctionType } from "react-native-logs";
@@ -418,18 +417,18 @@ import { logger, consoleTransport } from "react-native-logs";
 
 const config = {
   transport: consoleTransport,
-  enabledExtensions: ['ROOT','HOME']
+  enabledExtensions: ["ROOT", "HOME"],
 };
 
 var log = logger.createLogger(config);
-var rootLog = log.extend('ROOT');
-var homeLog = log.extend('HOME');
-var profileLog = log.extend('PROFILE');
-
-log.debug('print this'): // this will print "<time> | DEBUG | print this"
-rootLog.debug('print this'): // this will print "<time> | ROOT | DEBUG | print this"
-homeLog.debug('print this'): // this will print "<time> | HOME | DEBUG | print this"
-profileLog.debug('not print this'): // this extension is not enabled
+var rootLog = log.extend("ROOT");
+var homeLog = log.extend("HOME");
+var profileLog = log.extend("PROFILE");
+
+log.debug("print this"); // this will print "<time> | DEBUG | print this"
+rootLog.debug("print this"); // this will print "<time> | ROOT | DEBUG | print this"
+homeLog.debug("print this"); // this will print "<time> | HOME | DEBUG | print this"
+profileLog.debug("not print this"); // this extension is not enabled
 ```
 
 ## Methods
@@ -439,13 +438,30 @@ profileLog.debug('not print this'): // this extension is not enabled
 Dynamically enable/disable loggers and extensions, if it is called without parameters then it will disable/enable the whole logger:
 
 ```javascript
-import { logger } from "react-native-logs";
+import { logger, consoleTransport } from "react-native-logs";
 
-var log = logger.createLogger();
+const config = {
+  transport: consoleTransport,
+  enabledExtensions: ["ROOT", "HOME"],
+};
+
+var log = logger.createLogger(config);
+var rootLog = log.extend("ROOT");
+var homeLog = log.extend("HOME");
+
+log.info("print this"); // this will print "<time> | ROOT | INFO | print this"
+homeLog.info("print this"); // extension is enabled
+
+log.disable("HOME");
+
+homeLog.info("not print this"); // extension is not enabled
+rootLog.info("print this"); // extension is enabled
 
-log.info('print this'): // this will print "<time> | ROOT | INFO | print this"
 log.disable();
-log.info('not print this'): // logger is not enabled
+
+homeLog.info("not print this"); // logger is not enabled
+rootLog.info("not print this"); // logger is not enabled
+log.info("not print this"); // logger is not enabled
 ```
 
 #### getExtensions
diff --git a/src/index.ts b/src/index.ts
index ff8464f..00b1b8a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -394,16 +394,50 @@ class logs {
     return extendedLog;
   };
 
-  /** Enable logger */
-  enable = (): boolean => {
-    this._enabled = true;
-    return true;
+  /** Enable logger or extension */
+  enable = (extension?: string): boolean => {
+    if (!extension) {
+      this._enabled = true;
+      return true;
+    }
+
+    if (this._extensions.includes(extension)) {
+      if (this._enabledExtensions) {
+        if (!this._enabledExtensions.includes(extension)) {
+          this._enabledExtensions.push(extension);
+          return true;
+        } else {
+          return true;
+        }
+      } else {
+        this._enabledExtensions = [];
+        this._enabledExtensions.push(extension);
+        return true;
+      }
+    } else {
+      throw Error(`react-native-logs: Extension [${extension}] not exist`);
+    }
   };
 
-  /** Disable logger */
-  disable = (): boolean => {
-    this._enabled = false;
-    return true;
+  /** Disable logger or extension */
+  disable = (extension?: string): boolean => {
+    if (!extension) {
+      this._enabled = false;
+      return true;
+    }
+    if (this._extensions.includes(extension)) {
+      if (this._enabledExtensions) {
+        let extIndex = this._enabledExtensions.indexOf(extension);
+        if (extIndex > -1) {
+          this._enabledExtensions.splice(extIndex, 1);
+        }
+        return true;
+      } else {
+        return true;
+      }
+    } else {
+      throw Error(`react-native-logs: Extension [${extension}] not exist`);
+    }
   };
 
   /** Return all created extensions */