diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0fc5181f..54e1d010 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+* Expose a RESIN_SUPERVISOR_VERSION env var to app [Pablo]
+
 # v1.1.1
 
 * Prevent non-fatal errors from causing the supervisor to exit [Lorenzo]
diff --git a/src/utils.coffee b/src/utils.coffee
index 270ebe1e..44a88aa3 100644
--- a/src/utils.coffee
+++ b/src/utils.coffee
@@ -132,6 +132,7 @@ exports.extendEnvVars = (env, uuid) ->
 		RESIN_SUPERVISOR_HOST: host
 		RESIN_SUPERVISOR_PORT: config.listenPort
 		RESIN_SUPERVISOR_API_KEY: exports.getOrGenerateApiSecret()
+		RESIN_SUPERVISOR_VERSION: exports.supervisorVersion
 		RESIN: '1'
 		USER: 'root'
 	if env?