diff --git a/Kconfig b/Kconfig
index 3254139ead..6ed9f2ebfd 100644
--- a/Kconfig
+++ b/Kconfig
@@ -527,7 +527,7 @@ menu "LVGL configuration"
 			bool "Draw using cached OpenGLES textures"
 			default n
 			depends on LV_USE_OPENGLES
-		
+
 		config LV_USE_PPA
 		bool "Use Espressif's PPA accelerator for ESP SoCs"
 		default n
@@ -1740,7 +1740,7 @@ menu "LVGL configuration"
 			default 9 # LVGL_VERSION_MAJOR
 		config LVGL_VERSION_MINOR
 			int
-			default 3 # LVGL_VERSION_MINOR
+			default 4 # LVGL_VERSION_MINOR
 		config LVGL_VERSION_PATCH
 			int
 			default 0 # LVGL_VERSION_PATCH
diff --git a/env_support/cmake/version.cmake b/env_support/cmake/version.cmake
index b1baa18a59..dc6f18a827 100644
--- a/env_support/cmake/version.cmake
+++ b/env_support/cmake/version.cmake
@@ -1,7 +1,7 @@
 set(LVGL_VERSION_MAJOR "9")
-set(LVGL_VERSION_MINOR "3")
+set(LVGL_VERSION_MINOR "4")
 set(LVGL_VERSION_PATCH "0")
-set(LVGL_VERSION_INFO  "")
+set(LVGL_VERSION_INFO  "dev")
 
 set(LVGL_VERSION ${LVGL_VERSION_MAJOR}.${LVGL_VERSION_MINOR}.${LVGL_VERSION_PATCH}) # This is a CMake variable
 set(ENV{LVGL_VERSION} ${LVGL_VERSION}) # This is exported Environmental variable
diff --git a/lv_conf_template.h b/lv_conf_template.h
index 7096e93935..25a040c2f9 100644
--- a/lv_conf_template.h
+++ b/lv_conf_template.h
@@ -1,6 +1,6 @@
 /**
  * @file lv_conf.h
- * Configuration file for v9.3.0
+ * Configuration file for v9.4.0-dev
  */
 
 /*
diff --git a/lv_version.h b/lv_version.h
index 7f40824923..0ea62f8c46 100644
--- a/lv_version.h
+++ b/lv_version.h
@@ -7,8 +7,8 @@
 #define LV_VERSION_H
 
 #define LVGL_VERSION_MAJOR 9
-#define LVGL_VERSION_MINOR 3
+#define LVGL_VERSION_MINOR 4
 #define LVGL_VERSION_PATCH 0
-#define LVGL_VERSION_INFO ""
+#define LVGL_VERSION_INFO "dev"
 
 #endif /* LV_VERSION_H */