diff --git a/version.json b/version.json
index efb1b41d8..6488d329e 100644
--- a/version.json
+++ b/version.json
@@ -1,6 +1,6 @@
 {
     "hassio": "0.99",
-    "homeassistant": "0.66.0",
+    "homeassistant": "0.66.1b0",
     "resinos": "1.3",
     "resinhup": "0.3",
     "generic": "0.3",