diff --git a/src/OpenBikeSensorFirmware.cpp b/src/OpenBikeSensorFirmware.cpp
index 4f42773..9a213ac 100644
--- a/src/OpenBikeSensorFirmware.cpp
+++ b/src/OpenBikeSensorFirmware.cpp
@@ -37,7 +37,7 @@
 
 // --- Global variables ---
 // Version only change the "vN.M" part if needed.
-const char *OBSVersion = "v0.20" BUILD_NUMBER;
+const char *OBSVersion = "v0.21" BUILD_NUMBER;
 
 const uint8_t LEFT_SENSOR_ID = 1;
 const uint8_t RIGHT_SENSOR_ID = 0;