diff --git a/Tests/DeviceClientTests/DeviceClientTests.nfproj b/Tests/DeviceClientTests/DeviceClientTests.nfproj
index 71bb7e2..bb0592d 100644
--- a/Tests/DeviceClientTests/DeviceClientTests.nfproj
+++ b/Tests/DeviceClientTests/DeviceClientTests.nfproj
@@ -43,11 +43,11 @@
     <Reference Include="mscorlib, Version=1.17.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.17.11\lib\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.204.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.204\lib\nanoFramework.M2Mqtt.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.206.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.206\lib\nanoFramework.M2Mqtt.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.204.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.204\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.206.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.206\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.32.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.Runtime.Events.1.11.32\lib\nanoFramework.Runtime.Events.dll</HintPath>
diff --git a/Tests/DeviceClientTests/packages.config b/Tests/DeviceClientTests/packages.config
index fdff9e5..52e7762 100644
--- a/Tests/DeviceClientTests/packages.config
+++ b/Tests/DeviceClientTests/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt" version="5.1.204" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt" version="5.1.206" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.32" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.67" targetFramework="netnano1.0" />
diff --git a/Tests/DeviceClientTests/packages.lock.json b/Tests/DeviceClientTests/packages.lock.json
index bdbeb31..6aa82b6 100644
--- a/Tests/DeviceClientTests/packages.lock.json
+++ b/Tests/DeviceClientTests/packages.lock.json
@@ -10,9 +10,9 @@
       },
       "nanoFramework.M2Mqtt": {
         "type": "Direct",
-        "requested": "[5.1.204, 5.1.204]",
-        "resolved": "5.1.204",
-        "contentHash": "VOcCB8mQQM1k/LelWaiQjfOYJ+m5SLNYbLFiQMcONHV6fsmTjueBo/tMfz0l9472QGXwMjRbZY/eGFRS+JtLvw=="
+        "requested": "[5.1.206, 5.1.206]",
+        "resolved": "5.1.206",
+        "contentHash": "9xKwn31GOuro2WKsIlpifJp4+I4M4MOWr/+Wk5YCneDY/3l5st8ToplE0Clg4dYVnU6OoQbz1y3Y/DwDjjASLw=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
diff --git a/nanoFramework.Azure.Devices.Client.FullyManaged.nuspec b/nanoFramework.Azure.Devices.Client.FullyManaged.nuspec
index b18bec3..2e8bfe1 100644
--- a/nanoFramework.Azure.Devices.Client.FullyManaged.nuspec
+++ b/nanoFramework.Azure.Devices.Client.FullyManaged.nuspec
@@ -22,7 +22,7 @@ Use the nanoFrameowrk.Azure.Devices.Client if you want to use native wifi and MQ
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.17.11" />
       <dependency id="nanoFramework.Json" version="2.2.203" />
-      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.204" />
+      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.206" />
       <dependency id="nanoFramework.Runtime.Native" version="1.7.11" />
       <dependency id="nanoFramework.System.Threading" version="1.1.52" />
     </dependencies>
diff --git a/nanoFramework.Azure.Devices.Client.FullyManaged/Azure.Devices.Client.FullyManaged.nfproj b/nanoFramework.Azure.Devices.Client.FullyManaged/Azure.Devices.Client.FullyManaged.nfproj
index 6319c60..81e9700 100644
--- a/nanoFramework.Azure.Devices.Client.FullyManaged/Azure.Devices.Client.FullyManaged.nfproj
+++ b/nanoFramework.Azure.Devices.Client.FullyManaged/Azure.Devices.Client.FullyManaged.nfproj
@@ -116,8 +116,8 @@
     <Reference Include="nanoFramework.Json, Version=2.2.203.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Json.2.2.203\lib\nanoFramework.Json.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.204.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.204\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.206.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.206\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Native, Version=1.7.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Native.1.7.11\lib\nanoFramework.Runtime.Native.dll</HintPath>
diff --git a/nanoFramework.Azure.Devices.Client.FullyManaged/packages.config b/nanoFramework.Azure.Devices.Client.FullyManaged/packages.config
index a20cf28..6a4c8f1 100644
--- a/nanoFramework.Azure.Devices.Client.FullyManaged/packages.config
+++ b/nanoFramework.Azure.Devices.Client.FullyManaged/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.Json" version="2.2.203" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt.Core" version="5.1.204" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt.Core" version="5.1.206" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.67" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.96" targetFramework="netnano1.0" />
diff --git a/nanoFramework.Azure.Devices.Client.FullyManaged/packages.lock.json b/nanoFramework.Azure.Devices.Client.FullyManaged/packages.lock.json
index d6dd1bc..5a1a810 100644
--- a/nanoFramework.Azure.Devices.Client.FullyManaged/packages.lock.json
+++ b/nanoFramework.Azure.Devices.Client.FullyManaged/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "nanoFramework.M2Mqtt.Core": {
         "type": "Direct",
-        "requested": "[5.1.204, 5.1.204]",
-        "resolved": "5.1.204",
-        "contentHash": "ldmh5eq2Dgl0HvLn4vylFo/fthB+6DqQKcGvifeKmO2kqkolX/IPyZ1CeRGcfRf6ebI57Mzyrz9BHqnL900rig=="
+        "requested": "[5.1.206, 5.1.206]",
+        "resolved": "5.1.206",
+        "contentHash": "Z1cxAdswWCkQQUDXokdciF8aZWrqnB5p/ep3cdq27fp1vahiUykhvaBM7VO3avvcMv1OTXfhhAFXh6hUTndlrA=="
       },
       "nanoFramework.Runtime.Native": {
         "type": "Direct",
diff --git a/nanoFramework.Azure.Devices.Client.nuspec b/nanoFramework.Azure.Devices.Client.nuspec
index 1ff5479..08f8bca 100644
--- a/nanoFramework.Azure.Devices.Client.nuspec
+++ b/nanoFramework.Azure.Devices.Client.nuspec
@@ -21,8 +21,8 @@ This is an SDK for Azure IoT Hub using MQTT broker.</description>
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.17.11" />
       <dependency id="nanoFramework.Json" version="2.2.203" />
-      <dependency id="nanoFramework.M2Mqtt" version="5.1.204" />
-      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.204" />
+      <dependency id="nanoFramework.M2Mqtt" version="5.1.206" />
+      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.206" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.Azure.Devices.Client/Azure.Devices.Client.nfproj b/nanoFramework.Azure.Devices.Client/Azure.Devices.Client.nfproj
index 7df659c..a0204b9 100644
--- a/nanoFramework.Azure.Devices.Client/Azure.Devices.Client.nfproj
+++ b/nanoFramework.Azure.Devices.Client/Azure.Devices.Client.nfproj
@@ -70,11 +70,11 @@
     <Reference Include="nanoFramework.Json, Version=2.2.203.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Json.2.2.203\lib\nanoFramework.Json.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.204.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.M2Mqtt.5.1.204\lib\nanoFramework.M2Mqtt.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.206.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.M2Mqtt.5.1.206\lib\nanoFramework.M2Mqtt.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.204.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.204\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.206.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.206\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.32.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.32\lib\nanoFramework.Runtime.Events.dll</HintPath>
diff --git a/nanoFramework.Azure.Devices.Client/packages.config b/nanoFramework.Azure.Devices.Client/packages.config
index 2ca8aad..c1f3b57 100644
--- a/nanoFramework.Azure.Devices.Client/packages.config
+++ b/nanoFramework.Azure.Devices.Client/packages.config
@@ -2,8 +2,8 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.Json" version="2.2.203" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt" version="5.1.204" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt.Core" version="5.1.204" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt" version="5.1.206" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt.Core" version="5.1.206" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.32" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.67" targetFramework="netnano1.0" />
diff --git a/nanoFramework.Azure.Devices.Client/packages.lock.json b/nanoFramework.Azure.Devices.Client/packages.lock.json
index 76322e1..79073e8 100644
--- a/nanoFramework.Azure.Devices.Client/packages.lock.json
+++ b/nanoFramework.Azure.Devices.Client/packages.lock.json
@@ -16,15 +16,15 @@
       },
       "nanoFramework.M2Mqtt": {
         "type": "Direct",
-        "requested": "[5.1.204, 5.1.204]",
-        "resolved": "5.1.204",
-        "contentHash": "VOcCB8mQQM1k/LelWaiQjfOYJ+m5SLNYbLFiQMcONHV6fsmTjueBo/tMfz0l9472QGXwMjRbZY/eGFRS+JtLvw=="
+        "requested": "[5.1.206, 5.1.206]",
+        "resolved": "5.1.206",
+        "contentHash": "9xKwn31GOuro2WKsIlpifJp4+I4M4MOWr/+Wk5YCneDY/3l5st8ToplE0Clg4dYVnU6OoQbz1y3Y/DwDjjASLw=="
       },
       "nanoFramework.M2Mqtt.Core": {
         "type": "Direct",
-        "requested": "[5.1.204, 5.1.204]",
-        "resolved": "5.1.204",
-        "contentHash": "ldmh5eq2Dgl0HvLn4vylFo/fthB+6DqQKcGvifeKmO2kqkolX/IPyZ1CeRGcfRf6ebI57Mzyrz9BHqnL900rig=="
+        "requested": "[5.1.206, 5.1.206]",
+        "resolved": "5.1.206",
+        "contentHash": "Z1cxAdswWCkQQUDXokdciF8aZWrqnB5p/ep3cdq27fp1vahiUykhvaBM7VO3avvcMv1OTXfhhAFXh6hUTndlrA=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",