diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12aaae7..69ba48c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ For major (breaking) changes - version 3 and 2 see end of page.
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 4.12.2         | 2019-06-24     | `system()` added Raspberry PI 4 detection |
 | 4.12.1         | 2019-06-24     | `networkInterface()` virtual interfaces macos, `networkInterfaceDefault()` |
 | 4.12.0         | 2019-06-21     | `networkInterface()` added property virtual |
 | 4.11.6         | 2019-06-19     | `util` bug fix |
diff --git a/docs/history.html b/docs/history.html
index 372a0b2..8f3744f 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -83,6 +83,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">4.12.2</th>
+                    <td>2019-06-24</td>
+                    <td><span class="code">system()</span> added Raspberry PI 4 detection</td>
+                  </tr>
                   <tr>
                     <th scope="row">4.12.1</th>
                     <td>2019-06-24</td>
diff --git a/docs/index.html b/docs/index.html
index c96c8c6..a87eb8c 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -168,7 +168,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span></div>
-      <div class="version">Current Version: <span id="version">4.12.1</span></div>
+      <div class="version">Current Version: <span id="version">4.12.2</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">
diff --git a/lib/system.js b/lib/system.js
index f8c47d1..0c7490a 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -96,8 +96,14 @@ function system(callback) {
                     result.serial = util.getValue(lines, 'serial', ':', true);
 
                     // reference values: https://elinux.org/RPi_HardwareHistory
+                    https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
                     if (result.model === 'BCM2835' || result.model === 'BCM2708' || result.model === 'BCM2709' || result.model === 'BCM2835' || result.model === 'BCM2837') {
 
+                      // Pi 4
+                      if (['a03111', 'b03111', 'c03111'].indexOf(result.version) >= 0) {
+                        result.model = result.model + ' - Pi 4 Model B';
+                        result.version = result.version + ' - Rev. 1.1';
+                      }
                       // Pi 3
                       if (['a02082', 'a22082', 'a32082'].indexOf(result.version) >= 0) {
                         result.model = result.model + ' - Pi 3 Model B';