diff --git a/.github/scripts/Build-Deps-Windows.ps1 b/.github/scripts/Build-Deps-Windows.ps1
index 58543b91..c6b88619 100644
--- a/.github/scripts/Build-Deps-Windows.ps1
+++ b/.github/scripts/Build-Deps-Windows.ps1
@@ -219,6 +219,37 @@ function Build {
     } else {
         Log-Information "Failed to locate msbuild.exe - skipping libusb build"
     }
+
+    Push-Location -Stack BuildMqttTemp
+    Ensure-Location $ProjectRoot
+
+    $MqttPath = "${ProjectRoot}/deps/paho.mqtt.cpp"
+    $MqttBuildPath = "${MqttPath}/build"
+
+    # Explicitly disable PkgConfig and tiff as it will lead build errors
+    $MqttCmakeArgs = @(
+        "-DCMAKE_BUILD_TYPE=${Configuration}"
+        "-DCMAKE_PREFIX_PATH:PATH=${OBSDepPath}"
+        "-DCMAKE_INSTALL_PREFIX:PATH=${ADVSSDepPath}"
+        "-DPAHO_WITH_MQTT_C=ON"
+    )
+
+    Log-Information "Configuring paho.mqtt.cpp..."
+    Invoke-External cmake -S ${MqttPath} -B ${MqttBuildPath} @MqttCmakeArgs
+
+    $MqttCmakeArgs = @(
+        '--config', "${Configuration}"
+    )
+
+    if ( $VerbosePreference -eq 'Continue' ) {
+        $MqttCmakeArgs += ('--verbose')
+    }
+
+    Log-Information "Building paho.mqtt.cpp..."
+    Invoke-External cmake --build "${MqttBuildPath}" @MqttCmakeArgs
+
+    Log-Information "Install paho.mqtt.cpp..."
+    Invoke-External cmake --install "${MqttBuildPath}" --prefix "${ADVSSDepPath}" @MqttCmakeArgs
 }
 
 Build
diff --git a/.gitmodules b/.gitmodules
index 5470f6bd..2c36bb38 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -34,3 +34,6 @@
 [submodule "deps/jsoncons"]
 	path = deps/jsoncons
 	url = https://github.com/danielaparker/jsoncons.git
+[submodule "deps/paho.mqtt.cpp"]
+	path = deps/paho.mqtt.cpp
+	url = https://github.com/eclipse-paho/paho.mqtt.cpp.git
diff --git a/deps/paho.mqtt.cpp b/deps/paho.mqtt.cpp
new file mode 160000
index 00000000..165476b1
--- /dev/null
+++ b/deps/paho.mqtt.cpp
@@ -0,0 +1 @@
+Subproject commit 165476b1dc248b3f4480f05646086326e1d7d82e