diff --git a/library.properties b/library.properties
index ccfd086..03cbc7e 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=WTV020SD16P
-version=1.3.0
+version=1.3.1
 author=Diego J. Arevalo, Ryszard Malinowski, Dan F, Thomas A. Hirsch
 maintainer=FabLab Bayreuth <thomas.hirsch@fablab-bayreuth.de>
 sentence=Arduino library for the WTV020-SD-16P sound module