diff --git a/prj.conf b/prj.conf
index 4f84b2b..bd0fc6e 100644
--- a/prj.conf
+++ b/prj.conf
@@ -129,7 +129,7 @@ CONFIG_BOOTLOADER_MCUBOOT=y
 # Enable zcbor library used by mcumgr/SMP/DFU CBOR payloads.
 CONFIG_ZCBOR=y
 # Version string used by MCUboot imgtool signing and versioned DFU zip naming
-CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION="2.0.1+0"
+CONFIG_MCUBOOT_IMGTOOL_SIGN_VERSION="2.0.3+0"
 
 # Internal flash
 # Enable internal flash driver.
diff --git a/src/main.h b/src/main.h
index 0eb191c..a442444 100644
--- a/src/main.h
+++ b/src/main.h
@@ -18,7 +18,7 @@
 #define HARDWARE_VERSION        "VB0HW0000"
 #define SERIAL_NUMBER           "VBT260300ZZ"
 #define DEFAULT_PASSKEY         "123456"
-#define FIRMWARE_VERSION        "VBTFW0202"
+#define FIRMWARE_VERSION        "VBTFW0203"
 
 /*
 * Firmware Version History