diff --git a/src/cwprotocol.h b/src/cwprotocol.h
index a1a3c3c..28bab33 100644
--- a/src/cwprotocol.h
+++ b/src/cwprotocol.h
@@ -1,4 +1,4 @@
-#define INTERFACE_VERSION "irmc v0.02"
+#define INTERFACE_VERSION "irmc v0.3.3"
 
 // Structures for the packets: unsigned short command
 #define DIS 0x0002 // disconnect