diff --git a/docs/doxygen/include/size_table.md b/docs/doxygen/include/size_table.md
index 4251f4f3..89882800 100644
--- a/docs/doxygen/include/size_table.md
+++ b/docs/doxygen/include/size_table.md
@@ -19,8 +19,8 @@
     </tr>
     <tr>
         <td>core_mqtt.c (coreMQTT)</td>
-        <td><center>4.0K</center></td>
-        <td><center>3.4K</center></td>
+        <td><center>4.1K</center></td>
+        <td><center>3.5K</center></td>
     </tr>
     <tr>
         <td>core_mqtt_state.c (coreMQTT)</td>
@@ -34,7 +34,7 @@
     </tr>
     <tr>
         <td><b>Total estimates</b></td>
-        <td><b><center>10.5K</center></b></td>
-        <td><b><center>8.6K</center></b></td>
+        <td><b><center>10.6K</center></b></td>
+        <td><b><center>8.7K</center></b></td>
     </tr>
 </table>
diff --git a/manifest.yml b/manifest.yml
index 615e6922..4a406711 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -5,7 +5,7 @@ description: |
 license: "MIT"
 dependencies:
   - name : "coreMQTT"
-    version: "v2.1.0"
+    version: "v2.3.1"
     repository:
       type: "git"
       url: "https://github.com/FreeRTOS/coreMQTT/"
diff --git a/source/dependency/coreMQTT b/source/dependency/coreMQTT
index 5cfd781f..2beef047 160000
--- a/source/dependency/coreMQTT
+++ b/source/dependency/coreMQTT
@@ -1 +1 @@
-Subproject commit 5cfd781f94ed4d34a5d533abbff952fc23b86db5
+Subproject commit 2beef04725328923e05e576b884212d53ec97af7