diff --git a/lib/routes/pollingRoutes.js b/lib/routes/pollingRoutes.js
index f30258ac..cd64f6b5 100644
--- a/lib/routes/pollingRoutes.js
+++ b/lib/routes/pollingRoutes.js
@@ -87,6 +87,11 @@ function poll (req, res, next) {
         triggersAutomation
       }
 
+      // BACKWARDS_COMPATIBILITY 7.6
+      // Machines before 7.6 expect a single zeroConfLimit value per machine.
+      if (!semver.gte(machineVersion, '7.6.0-beta.0'))
+        response.zeroConfLimit = _.min(_.values(zeroConfLimits))
+
       // BACKWARDS_COMPATIBILITY 7.5
       // machines before 7.5 expect old compliance
       if (!machineVersion || semver.lt(machineVersion, '7.5.0-beta.0')) {
diff --git a/package.json b/package.json
index fca6521d..9269b94a 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "lamassu-server",
   "description": "bitcoin atm client server protocol module",
   "keywords": [],
-  "version": "7.5.3",
+  "version": "7.6.0-beta.0",
   "license": "Unlicense",
   "author": "Lamassu (https://lamassu.is)",
   "dependencies": {