diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56077e92d..2296dfa6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 Note: With Docker, please don't use latest tag. Only use release tags.
 See https://github.com/wekan/wekan/issues/3874
 
-# Upcoming Wekan release
+# v5.43 2021-08-03 Wekan release
 
 This release adds the following new features:
 
diff --git a/Stackerfile.yml b/Stackerfile.yml
index 0c6dccdfa..5c3b568b6 100644
--- a/Stackerfile.yml
+++ b/Stackerfile.yml
@@ -1,5 +1,5 @@
 appId: wekan-public/apps/77b94f60-dec9-0136-304e-16ff53095928
-appVersion: "v5.42.0"
+appVersion: "v5.43.0"
 files:
   userUploads:
     - README.md
diff --git a/package-lock.json b/package-lock.json
index b36ba1bb3..a77751e92 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "wekan",
-  "version": "v5.42.0",
+  "version": "v5.43.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index bdad5e6c8..61056682c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wekan",
-  "version": "v5.42.0",
+  "version": "v5.43.0",
   "description": "Open-Source kanban",
   "private": true,
   "repository": {
diff --git a/public/api/wekan.html b/public/api/wekan.html
index 86e5ec4d4..5c6b477b2 100644
--- a/public/api/wekan.html
+++ b/public/api/wekan.html
@@ -7,7 +7,7 @@
     <meta charset="utf-8">
     <meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible">
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
-    <title>Wekan REST API v5.42</title>
+    <title>Wekan REST API v5.43</title>
 
     <style>
     </style>
@@ -1555,7 +1555,7 @@ var n=this.pipeline.run(e.tokenizer(t)),r=new e.Vector,i=[],o=this._fields.reduc
 	  	<ul class="toc-list-h1">
         
           <li>
-            <a href="#wekan-rest-api" class="toc-h1 toc-link" data-title="Wekan REST API v5.42">Wekan REST API v5.42</a>
+            <a href="#wekan-rest-api" class="toc-h1 toc-link" data-title="Wekan REST API v5.43">Wekan REST API v5.43</a>
             
           </li>
         
@@ -2128,7 +2128,7 @@ var n=this.pipeline.run(e.tokenizer(t)),r=new e.Vector,i=[],o=this._fields.reduc
     <div class="page-wrapper">
       <div class="dark-box"></div>
       <div class="content">
-        <h1 id="wekan-rest-api">Wekan REST API v5.42</h1>
+        <h1 id="wekan-rest-api">Wekan REST API v5.43</h1>
 <blockquote>
 <p>Scroll down for code samples, example requests and responses. Select a language for code samples from the tabs above or the mobile navigation menu.</p>
 </blockquote>
@@ -3554,6 +3554,7 @@ System.out.println(response.toString());
   <span class="hljs-attr">&quot;allowsComments&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsDescriptionTitle&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsDescriptionText&quot;</span>: <span class="hljs-literal">true</span>,
+  <span class="hljs-attr">&quot;allowsCardNumber&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsActivities&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsLabels&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsCreator&quot;</span>: <span class="hljs-literal">true</span>,
@@ -9138,7 +9139,8 @@ System.out.println(response.toString());
   ],
   <span class="hljs-attr">&quot;linkId_gantt&quot;</span>: [
     <span class="hljs-string">&quot;string&quot;</span>
-  ]
+  ],
+  <span class="hljs-attr">&quot;cardNumber&quot;</span>: <span class="hljs-number">0</span>
 }
 </code></pre>
 <h3 id="get_card-responses">Responses</h3>
@@ -18346,6 +18348,7 @@ UserSecurity
   <span class="hljs-attr">&quot;allowsComments&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsDescriptionTitle&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsDescriptionText&quot;</span>: <span class="hljs-literal">true</span>,
+  <span class="hljs-attr">&quot;allowsCardNumber&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsActivities&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsLabels&quot;</span>: <span class="hljs-literal">true</span>,
   <span class="hljs-attr">&quot;allowsCreator&quot;</span>: <span class="hljs-literal">true</span>,
@@ -18551,6 +18554,13 @@ UserSecurity
 <td>Does the board allows description text?</td>
 </tr>
 <tr>
+<td>allowsCardNumber</td>
+<td>boolean</td>
+<td>true</td>
+<td>none</td>
+<td>Does the board allows card numbers?</td>
+</tr>
+<tr>
 <td>allowsActivities</td>
 <td>boolean</td>
 <td>true</td>
@@ -19302,7 +19312,8 @@ UserSecurity
   ],
   <span class="hljs-attr">&quot;linkId_gantt&quot;</span>: [
     <span class="hljs-string">&quot;string&quot;</span>
-  ]
+  ],
+  <span class="hljs-attr">&quot;cardNumber&quot;</span>: <span class="hljs-number">0</span>
 }
 
 </code></pre>
@@ -19563,6 +19574,13 @@ UserSecurity
 <td>none</td>
 <td>ID of card which is the parent link in gantt view</td>
 </tr>
+<tr>
+<td>cardNumber</td>
+<td>number¦null</td>
+<td>false</td>
+<td>none</td>
+<td>A boardwise sequentially increasing number that is assigned<br />to every newly created card</td>
+</tr>
 </tbody>
 </table>
 <h4 id="enumerated-values-3">Enumerated Values</h4>
diff --git a/public/api/wekan.yml b/public/api/wekan.yml
index 05dd02b7e..5c51c114f 100644
--- a/public/api/wekan.yml
+++ b/public/api/wekan.yml
@@ -1,7 +1,7 @@
 swagger: '2.0'
 info:
   title: Wekan REST API
-  version: v5.42
+  version: v5.43
   description: |
     The REST API allows you to control and extend Wekan with ease.
 
@@ -2770,6 +2770,10 @@ definitions:
         description: |
            Does the board allows description text?
         type: boolean
+      allowsCardNumber:
+        description: |
+           Does the board allows card numbers?
+        type: boolean
       allowsActivities:
         description: |
            Does the board allows comments?
@@ -2888,6 +2892,7 @@ definitions:
       - allowsComments
       - allowsDescriptionTitle
       - allowsDescriptionText
+      - allowsCardNumber
       - allowsActivities
       - allowsLabels
       - allowsCreator
@@ -3268,6 +3273,12 @@ definitions:
           type: string
           x-nullable: true
         x-nullable: true
+      cardNumber:
+        description: |
+           A boardwise sequentially increasing number that is assigned
+           to every newly created card
+        type: number
+        x-nullable: true
     required:
       - archived
       - swimlaneId
diff --git a/sandstorm-pkgdef.capnp b/sandstorm-pkgdef.capnp
index ec46da460..aee5d502f 100644
--- a/sandstorm-pkgdef.capnp
+++ b/sandstorm-pkgdef.capnp
@@ -22,10 +22,10 @@ const pkgdef :Spk.PackageDefinition = (
     appTitle = (defaultText = "Wekan"),
     # The name of the app as it is displayed to the user.
 
-    appVersion = 542,
+    appVersion = 543,
     # Increment this for every release.
 
-    appMarketingVersion = (defaultText = "5.42.0~2021-08-01"),
+    appMarketingVersion = (defaultText = "5.43.0~2021-08-03"),
     # Human-readable presentation of the app version.
 
     minUpgradableAppVersion = 0,
diff --git a/snapcraft.yaml b/snapcraft.yaml
index a00ee29bf..b421b632d 100644
--- a/snapcraft.yaml
+++ b/snapcraft.yaml
@@ -1,5 +1,5 @@
 name: wekan
-version: '5.42'
+version: '5.43'
 summary: The open-source kanban
 description: |
    Wekan is an open-source and collaborative kanban board application.