diff --git a/left/src/slave_protocol_handler.c b/left/src/slave_protocol_handler.c
index f1245ee..6b0755a 100644
--- a/left/src/slave_protocol_handler.c
+++ b/left/src/slave_protocol_handler.c
@@ -10,10 +10,17 @@
 #include "bool_array_converter.h"
 #include "bootloader.h"
 #include "module.h"
+#include "versions.h"
 
 i2c_message_t RxMessage;
 i2c_message_t TxMessage;
 
+static version_t moduleProtocolVersion = {
+    MODULE_PROTOCOL_MAJOR_VERSION,
+    MODULE_PROTOCOL_MINOR_VERSION,
+    MODULE_PROTOCOL_PATCH_VERSION,
+};
+
 void SlaveRxHandler(void)
 {
     if (!CRC16_IsMessageValid(&RxMessage)) {
@@ -57,7 +64,7 @@ void SlaveTxHandler(void)
                     break;
                 }
                 case SlaveProperty_ModuleProtocolVersion: {
-                    TxMessage.data[0] = MODULE_PROTOCOL_VERSION;
+                    memcpy(TxMessage.data, &moduleProtocolVersion, sizeof(version_t));
                     TxMessage.length = 1;
                     break;
                 }
diff --git a/right/src/slave_drivers/uhk_module_driver.c b/right/src/slave_drivers/uhk_module_driver.c
index 112369e..96a873a 100644
--- a/right/src/slave_drivers/uhk_module_driver.c
+++ b/right/src/slave_drivers/uhk_module_driver.c
@@ -113,7 +113,7 @@ status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleDriverId)
         case UhkModulePhase_ProcessModuleProtocolVersion: {
             bool isMessageValid = CRC16_IsMessageValid(rxMessage);
             if (isMessageValid) {
-                uhkModuleState->protocolVersion = rxMessage->data[0];
+                memcpy(&uhkModuleState->moduleProtocolVersion, rxMessage->data, sizeof(version_t));
             }
             status = kStatus_Uhk_NoTransfer;
             *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestModuleId : UhkModulePhase_RequestModuleProtocolVersion;
diff --git a/right/src/slave_drivers/uhk_module_driver.h b/right/src/slave_drivers/uhk_module_driver.h
index bc87861..8955f57 100644
--- a/right/src/slave_drivers/uhk_module_driver.h
+++ b/right/src/slave_drivers/uhk_module_driver.h
@@ -5,6 +5,7 @@
 
     #include "fsl_common.h"
     #include "crc16.h"
+    #include "versions.h"
 
 // Macros:
 
@@ -62,7 +63,7 @@
 
     typedef struct {
         uint8_t moduleId;
-        uint8_t protocolVersion;
+        version_t moduleProtocolVersion;
         uhk_module_phase_t phase;
         uhk_module_vars_t sourceVars;
         uhk_module_vars_t targetVars;