diff --git a/library.json b/library.json
index b8cf4991..f3f8037c 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "type": "git",
     "url": "https://github.com/esphome/esphome-core.git"
   },
-  "version": "1.12.0b3",
+  "version": "1.12.0b4",
   "authors": [
     {
       "name": "Otto Winter",
diff --git a/library.properties b/library.properties
index e22435b9..3db7ab6c 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=esphome-core
-version=1.12.0b3
+version=1.12.0b4
 author=Otto Winter <contact@otto-winter.com>
 maintainer=Otto Winter <contact@otto-winter.com>
 sentence=ESPHome - Reimagining DIY Home Automation.
diff --git a/src/esphome/defines.h b/src/esphome/defines.h
index 25dee5f1..850ecbf3 100644
--- a/src/esphome/defines.h
+++ b/src/esphome/defines.h
@@ -1,7 +1,7 @@
 #ifndef ESPHOME_DEFINES_H
 #define ESPHOME_DEFINES_H
 
-#define ESPHOME_VERSION "1.12.0b3"
+#define ESPHOME_VERSION "1.12.0b4"
 
 #define HOT __attribute__((hot))
 #define ESPDEPRECATED(msg) __attribute__((deprecated(msg)))