diff --git a/src/main/asyncapi/network_survey_messaging.yaml b/src/main/asyncapi/network_survey_messaging.yaml
index 7300bb5..52cc156 100644
--- a/src/main/asyncapi/network_survey_messaging.yaml
+++ b/src/main/asyncapi/network_survey_messaging.yaml
@@ -1572,6 +1572,8 @@ components:
               $ref: '#/components/schemas/speed'
             deviceModel:
               $ref: '#/components/schemas/deviceModel'
+            appVersion:
+              $ref: '#/components/schemas/appVersion'
             accuracy:
               $ref: '#/components/schemas/accuracy'
             heading:
@@ -2168,6 +2170,10 @@ components:
       type: string
       description: The model number of the device that this message originated from.
       example: Pixel 5
+    appVersion:
+      type: string
+      description: The version of the software application that this message originated from (most likely the Network Survey Android app, but could be any other app). Added in version 1.3.0.
+      example: 1.28
     accuracy:
       type: integer
       format: int32
diff --git a/src/main/proto/com/craxiom/messaging/device_status.proto b/src/main/proto/com/craxiom/messaging/device_status.proto
index a081ce4..9c9cba1 100644
--- a/src/main/proto/com/craxiom/messaging/device_status.proto
+++ b/src/main/proto/com/craxiom/messaging/device_status.proto
@@ -38,6 +38,7 @@ message DeviceStatusData {
     google.protobuf.Int32Value batteryLevelPercent = 7;
     Error error = 10;
     google.protobuf.BoolValue mdmOverride = 11;
+    string appVersion = 12;
 
     double gnssLatitude = 15;
     double gnssLongitude = 16;