diff --git a/nanoFramework.Aws.IoTCore.Devices.nuspec b/nanoFramework.Aws.IoTCore.Devices.nuspec
index 3036658..b3220a9 100644
--- a/nanoFramework.Aws.IoTCore.Devices.nuspec
+++ b/nanoFramework.Aws.IoTCore.Devices.nuspec
@@ -21,7 +21,7 @@ This is an SDK for Aws IoTCore.</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" version="5.1.173" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoFramework.Aws.IoTCore.Devices/nanoFramework.Aws.IoTCore.Devices.nfproj b/nanoFramework.Aws.IoTCore.Devices/nanoFramework.Aws.IoTCore.Devices.nfproj
index f7c8f9e..1f0c9d2 100644
--- a/nanoFramework.Aws.IoTCore.Devices/nanoFramework.Aws.IoTCore.Devices.nfproj
+++ b/nanoFramework.Aws.IoTCore.Devices/nanoFramework.Aws.IoTCore.Devices.nfproj
@@ -53,11 +53,11 @@
     <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.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/nanoFramework.Aws.IoTCore.Devices/packages.config b/nanoFramework.Aws.IoTCore.Devices/packages.config
index b87e282..cc85f0b 100644
--- a/nanoFramework.Aws.IoTCore.Devices/packages.config
+++ b/nanoFramework.Aws.IoTCore.Devices/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" 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/nanoFramework.Aws.IoTCore.Devices/packages.lock.json b/nanoFramework.Aws.IoTCore.Devices/packages.lock.json
index 3d71a31..9240e86 100644
--- a/nanoFramework.Aws.IoTCore.Devices/packages.lock.json
+++ b/nanoFramework.Aws.IoTCore.Devices/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "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",