diff --git a/CHANGELOG.md b/CHANGELOG.md
index a7a07b0..5d7ff45 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  |
 | -------------- | -------------- | -------- |
+| 4.0.4          | 2019-02-03     | code cleanup, updated docs |
 | 4.0.3          | 2019-02-03     | `networkInterfaces(), chassis()` fixed two more issues |
 | 4.0.2          | 2019-02-03     | `networkInterfaces(), chassis()` fixed smaller issues |
 | 4.0.1          | 2019-02-02     | updated docs |
diff --git a/docs/history.html b/docs/history.html
index a348709..f3f28a5 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -55,6 +55,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">4.0.4</th>
+                    <td>2019-02-03</td>
+                    <td>code cleanup, updated docs</td>
+                  </tr>
                   <tr>
                     <th scope="row">4.0.3</th>
                     <td>2019-02-03</td>