diff --git a/platformio.ini b/platformio.ini
index c1ba693..611ed51 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.5.5"
+version = "1.5.6"
 to_old_version = "1.5.0"
 
 ##