diff --git a/library.properties b/library.properties
index 61ae4a2..d08c3ab 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Elektor_AudioDSP
-version=0.3.0
+version=0.4.0
 author=Clemens at Elektor
 maintainer=Clemens at Elektor <labs@elektor.com>
 sentence=Driver for the Elektor Audio DSP FX Processor board with ESP32-PICO-KIT and ADAU1701.