diff --git a/src/event-tracker.ts b/src/event-tracker.ts
index 12796442..fe425fb9 100644
--- a/src/event-tracker.ts
+++ b/src/event-tracker.ts
@@ -5,6 +5,8 @@ import * as memoizee from 'memoizee';
 
 import Mixpanel = require('mixpanel');
 
+import supervisorVersion = require('./lib/supervisor-version');
+
 export type EventTrackProperties = Dictionary<any>;
 
 interface InitArgs {
@@ -49,6 +51,7 @@ export class EventTracker {
 			this.defaultProperties = {
 				distinct_id: uuid,
 				uuid,
+				supervisorVersion,
 			};
 			if (offlineMode) {
 				return;
diff --git a/test/09-event-tracker.spec.coffee b/test/09-event-tracker.spec.coffee
index 8fff9066..3772c221 100644
--- a/test/09-event-tracker.spec.coffee
+++ b/test/09-event-tracker.spec.coffee
@@ -4,6 +4,8 @@ m = require 'mochainon'
 { expect } = m.chai
 { stub } = m.sinon
 
+supervisorVersion = require '../src/lib/supervisor-version'
+
 { EventTracker } = require '../src/event-tracker'
 describe 'EventTracker', ->
 	before ->
@@ -48,7 +50,12 @@ describe 'EventTracker', ->
 	it 'calls the mixpanel client track function with the event, properties and uuid as distinct_id', ->
 		@eventTracker.track('Test event 2', { appId: 'someOtherValue' })
 		expect(@eventTracker.logEvent).to.be.calledWith('Event:', 'Test event 2', JSON.stringify({ appId: 'someOtherValue' }))
-		expect(@eventTracker.client.track).to.be.calledWith('Test event 2', { appId: 'someOtherValue', uuid: 'barbaz', distinct_id: 'barbaz' })
+		expect(@eventTracker.client.track).to.be.calledWith('Test event 2', {
+			appId: 'someOtherValue'
+			uuid: 'barbaz'
+			distinct_id: 'barbaz'
+			supervisorVersion
+		})
 
 	it 'can be passed an Error and it is added to the event properties', ->
 		theError = new Error('something went wrong')
@@ -59,6 +66,7 @@ describe 'EventTracker', ->
 				stack: theError.stack
 			uuid: 'barbaz'
 			distinct_id: 'barbaz'
+			supervisorVersion
 		})
 
 	it 'hides service environment variables, to avoid logging keys or secrets', ->
@@ -76,6 +84,7 @@ describe 'EventTracker', ->
 			service: { appId: '1' }
 			uuid: 'barbaz'
 			distinct_id: 'barbaz'
+			supervisorVersion
 		})
 
 	describe 'Rate limiting', ->