diff --git a/Tests/DeviceClientTests/DeviceClientTests.nfproj b/Tests/DeviceClientTests/DeviceClientTests.nfproj
index c3e963d..08937d4 100644
--- a/Tests/DeviceClientTests/DeviceClientTests.nfproj
+++ b/Tests/DeviceClientTests/DeviceClientTests.nfproj
@@ -43,11 +43,11 @@
     <Reference Include="mscorlib, Version=1.16.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.CoreLibrary.1.16.11\lib\mscorlib.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.169.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.169\lib\nanoFramework.M2Mqtt.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.173.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.173\lib\nanoFramework.M2Mqtt.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.169.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.169\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.173.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.M2Mqtt.5.1.173\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.29.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.Runtime.Events.1.11.29\lib\nanoFramework.Runtime.Events.dll</HintPath>
diff --git a/Tests/DeviceClientTests/packages.config b/Tests/DeviceClientTests/packages.config
index 18f7c99..155920b 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="1.16.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt" version="5.1.169" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt" version="5.1.173" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.29" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.8" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.56" targetFramework="netnano1.0" />
diff --git a/Tests/DeviceClientTests/packages.lock.json b/Tests/DeviceClientTests/packages.lock.json
index 6c2473c..5a55676 100644
--- a/Tests/DeviceClientTests/packages.lock.json
+++ b/Tests/DeviceClientTests/packages.lock.json
@@ -10,9 +10,9 @@
       },
       "nanoFramework.M2Mqtt": {
         "type": "Direct",
-        "requested": "[5.1.169, 5.1.169]",
-        "resolved": "5.1.169",
-        "contentHash": "UkvJW8T2vqMZVC0FfJKCdacY9P/jtdRuG6+IG9SL+egNxge+cj/T06lOezYzZCbTPuIuEvlEAYltCvQi83r2Jg=="
+        "requested": "[5.1.173, 5.1.173]",
+        "resolved": "5.1.173",
+        "contentHash": "z1vCitlzqkhXDy8veyS9w2Xnq+4/Q8q2gdieiUxEgW9rflz2BYsxwsjWR1NYRvOhjkE783GKFQbCoA6biEp30g=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",
diff --git a/nanoFramework.Azure.Devices.Client.FullyManaged.nuspec b/nanoFramework.Azure.Devices.Client.FullyManaged.nuspec
index 58b88f7..ffd6bbe 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="1.16.11" />
       <dependency id="nanoFramework.Json" version="2.2.168" />
-      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.169" />
+      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.173" />
       <dependency id="nanoFramework.Runtime.Native" version="1.7.8" />
       <dependency id="nanoFramework.System.Threading" version="1.1.46" />
     </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 82c5fd1..c5e5f25 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=2.2.168.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Json.2.2.168\lib\nanoFramework.Json.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.169.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.169\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.173.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.173\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Native, Version=1.7.8.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Native.1.7.8\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 8b5eb0b..32de90f 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="1.16.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.Json" version="2.2.168" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt.Core" version="5.1.169" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt.Core" version="5.1.173" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.8" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.56" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.82" targetFramework="netnano1.0" />
diff --git a/nanoFramework.Azure.Devices.Client.FullyManaged/packages.lock.json b/nanoFramework.Azure.Devices.Client.FullyManaged/packages.lock.json
index 5415684..991fb6a 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": "[5.1.169, 5.1.169]",
-        "resolved": "5.1.169",
-        "contentHash": "7VnZcyr82M+Tf0czKIVFwjZVZ6y5OQrTNnesh0dKUqNQPVmfc7QlKDQnIJX1lu8xvPU2G8WihgWGkriGSL8Liw=="
+        "requested": "[5.1.173, 5.1.173]",
+        "resolved": "5.1.173",
+        "contentHash": "F1UAurOshK7QLrWavAfCCSoti3MuHe12spSyHPRTiXlAhOvsOD0gPX1K1dM2uYvrvTya4dJEAwmGLNs4gh2Ilw=="
       },
       "nanoFramework.Runtime.Native": {
         "type": "Direct",
diff --git a/nanoFramework.Azure.Devices.Client.nuspec b/nanoFramework.Azure.Devices.Client.nuspec
index 549c8f3..7de14cf 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="1.16.11" />
       <dependency id="nanoFramework.Json" version="2.2.168" />
-      <dependency id="nanoFramework.M2Mqtt" version="5.1.169" />
-      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.169" />
+      <dependency id="nanoFramework.M2Mqtt" version="5.1.173" />
+      <dependency id="nanoFramework.M2Mqtt.Core" version="5.1.173" />
       <dependency id="nanoFramework.System.Net.Http" version="1.5.99" />
     </dependencies>
   </metadata>
diff --git a/nanoFramework.Azure.Devices.Client/Azure.Devices.Client.nfproj b/nanoFramework.Azure.Devices.Client/Azure.Devices.Client.nfproj
index 791da44..4a0b95c 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=2.2.168.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Json.2.2.168\lib\nanoFramework.Json.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.169.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.M2Mqtt.5.1.169\lib\nanoFramework.M2Mqtt.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt, Version=5.1.173.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.M2Mqtt.5.1.173\lib\nanoFramework.M2Mqtt.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.169.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.169\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
+    <Reference Include="nanoFramework.M2Mqtt.Core, Version=5.1.173.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.M2Mqtt.Core.5.1.173\lib\nanoFramework.M2Mqtt.Core.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.Runtime.Events, Version=1.11.29.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.11.29\lib\nanoFramework.Runtime.Events.dll</HintPath>
diff --git a/nanoFramework.Azure.Devices.Client/packages.config b/nanoFramework.Azure.Devices.Client/packages.config
index 42ed1c6..e644105 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="1.16.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.Json" version="2.2.168" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt" version="5.1.169" targetFramework="netnano1.0" />
-  <package id="nanoFramework.M2Mqtt.Core" version="5.1.169" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt" version="5.1.173" targetFramework="netnano1.0" />
+  <package id="nanoFramework.M2Mqtt.Core" version="5.1.173" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.29" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.8" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Collections" version="1.5.56" targetFramework="netnano1.0" />
diff --git a/nanoFramework.Azure.Devices.Client/packages.lock.json b/nanoFramework.Azure.Devices.Client/packages.lock.json
index 3efe441..da12616 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": "[5.1.169, 5.1.169]",
-        "resolved": "5.1.169",
-        "contentHash": "UkvJW8T2vqMZVC0FfJKCdacY9P/jtdRuG6+IG9SL+egNxge+cj/T06lOezYzZCbTPuIuEvlEAYltCvQi83r2Jg=="
+        "requested": "[5.1.173, 5.1.173]",
+        "resolved": "5.1.173",
+        "contentHash": "z1vCitlzqkhXDy8veyS9w2Xnq+4/Q8q2gdieiUxEgW9rflz2BYsxwsjWR1NYRvOhjkE783GKFQbCoA6biEp30g=="
       },
       "nanoFramework.M2Mqtt.Core": {
         "type": "Direct",
-        "requested": "[5.1.169, 5.1.169]",
-        "resolved": "5.1.169",
-        "contentHash": "7VnZcyr82M+Tf0czKIVFwjZVZ6y5OQrTNnesh0dKUqNQPVmfc7QlKDQnIJX1lu8xvPU2G8WihgWGkriGSL8Liw=="
+        "requested": "[5.1.173, 5.1.173]",
+        "resolved": "5.1.173",
+        "contentHash": "F1UAurOshK7QLrWavAfCCSoti3MuHe12spSyHPRTiXlAhOvsOD0gPX1K1dM2uYvrvTya4dJEAwmGLNs4gh2Ilw=="
       },
       "nanoFramework.Runtime.Events": {
         "type": "Direct",