diff --git a/M2Mqtt/M2Mqtt_4.7.1.csproj b/M2Mqtt/M2Mqtt_4.7.1.csproj
index 83a5a21..9fd2d99 100644
--- a/M2Mqtt/M2Mqtt_4.7.1.csproj
+++ b/M2Mqtt/M2Mqtt_4.7.1.csproj
@@ -19,7 +19,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\4.7.1\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DefineConstants>TRACE;DEBUG;SSL</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
@@ -28,7 +28,7 @@
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\4.7.1\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
+    <DefineConstants>TRACE;SSL</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
diff --git a/M2Mqtt/bin/Release/4.7.1/M2Mqtt.dll b/M2Mqtt/bin/Release/4.7.1/M2Mqtt.dll
index 1d88de0..e21d585 100644
Binary files a/M2Mqtt/bin/Release/4.7.1/M2Mqtt.dll and b/M2Mqtt/bin/Release/4.7.1/M2Mqtt.dll differ
diff --git a/M2Mqtt/bin/Release/M2Mqtt.dll b/M2Mqtt/bin/Release/M2Mqtt.dll
deleted file mode 100644
index f3f4a49..0000000
Binary files a/M2Mqtt/bin/Release/M2Mqtt.dll and /dev/null differ