diff --git a/platformio.ini b/platformio.ini
index e4a8aad..38b7166 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -113,7 +113,7 @@ build_flags               = ${core_2_7_4.build_flags}
 ;build_flags               = ${core_stage.build_flags}
 
 [common]
-version = -DBUILD_TAG=3.0.0
+version = -DBUILD_TAG=3.1.0
 framework                 = arduino
 board_build.flash_mode    = dout
 lib_deps =