diff --git a/library.json b/library.json
index 5ab257e4..de84ee83 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "type": "git",
     "url": "https://github.com/OttoWinter/esphomelib.git"
   },
-  "version": "1.9.0b5",
+  "version": "1.9.0b6",
   "authors": [
     {
       "name": "Otto Winter",
diff --git a/library.properties b/library.properties
index 1adf2a2f..dad496bc 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=esphomelib
-version=1.9.0b5
+version=1.9.0b6
 author=Otto Winter <contact@otto-winter.com>
 maintainer=Otto Winter <contact@otto-winter.com>
 sentence=esphomelib is a library designed to greatly simplify your firmware code for ESP32-based devices with full MQTT and Home Assistant support.
diff --git a/src/esphomelib/defines.h b/src/esphomelib/defines.h
index 0cd1fffa..78849a79 100644
--- a/src/esphomelib/defines.h
+++ b/src/esphomelib/defines.h
@@ -1,7 +1,7 @@
 #ifndef ESPHOMELIB_DEFINES_H
 #define ESPHOMELIB_DEFINES_H
 
-#define ESPHOMELIB_VERSION "1.9.0b5"
+#define ESPHOMELIB_VERSION "1.9.0b6"
 
 #define HOT __attribute__ ((hot))
 #define ESPDEPRECATED(msg) __attribute__((deprecated(msg)))