diff --git a/bacnet-stack/version.h b/bacnet-stack/version.h
index 821fd23c..e880a2de 100644
--- a/bacnet-stack/version.h
+++ b/bacnet-stack/version.h
@@ -39,8 +39,8 @@
 #define BACNET_VERSION(x,y,z) (((x)<<16)+((y)<<8)+(z))
 #endif
 
-#define BACNET_VERSION_TEXT "0.3.5"
-#define BACNET_VERSION_CODE BACNET_VERSION(0,3,5)
+#define BACNET_VERSION_TEXT "1.0.0"
+#define BACNET_VERSION_CODE BACNET_VERSION(1,0,0)
 #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)