diff --git a/TNC/KissHardware.cpp b/TNC/KissHardware.cpp
index bdcc88e..8e70c6c 100644
--- a/TNC/KissHardware.cpp
+++ b/TNC/KissHardware.cpp
@@ -43,13 +43,13 @@ int powerOffViaUSB(void)
 namespace mobilinkd { namespace tnc { namespace kiss {
 
 #if defined(NUCLEOTNC)
-const char FIRMWARE_VERSION[] = "2.3.2";
+const char FIRMWARE_VERSION[] = "2.3.3";
 const char HARDWARE_VERSION[] = "Mobilinkd NucleoTNC";
 #elif defined(STM32L433xx)
-const char FIRMWARE_VERSION[] = "2.3.2";
+const char FIRMWARE_VERSION[] = "2.3.3";
 const char HARDWARE_VERSION[] = "Mobilinkd TNC3 2.1.1";
 #elif defined(STM32L4P5xx)
-const char FIRMWARE_VERSION[] = "2.3.2";
+const char FIRMWARE_VERSION[] = "2.3.3";
 const char HARDWARE_VERSION[] = "Mobilinkd TNC3+ Rev A";
 #endif
 Hardware& settings()