diff --git a/bacnet-stack/include/version.h b/bacnet-stack/include/version.h
index 115956d0..171e0b1e 100644
--- a/bacnet-stack/include/version.h
+++ b/bacnet-stack/include/version.h
@@ -39,8 +39,8 @@
 #define BACNET_VERSION(x,y,z) (((x)<<16)+((y)<<8)+(z))
 #endif
 
-#define BACNET_VERSION_TEXT "0.5.5"
-#define BACNET_VERSION_CODE BACNET_VERSION(0,5,5)
+#define BACNET_VERSION_TEXT "0.5.6"
+#define BACNET_VERSION_CODE BACNET_VERSION(0,5,6)
 #define BACNET_VERSION_MAJOR ((BACNET_VERSION_CODE>>16)&0xFF)
 #define BACNET_VERSION_MINOR ((BACNET_VERSION_CODE>>8)&0xFF)
 #define BACNET_VERSION_MAINTENANCE (BACNET_VERSION_CODE&0xFF)