diff --git a/sim/main.cpp b/sim/main.cpp
index 6ccbebb..e381f0b 100755
--- a/sim/main.cpp
+++ b/sim/main.cpp
@@ -14,7 +14,7 @@
 #include TARGET_HEADER
 
 // define atomsim version
-#define ATOMSIM_VERSION "v2.2"
+#define ATOMSIM_VERSION "v3.0"
 
 #define ATOMSIM_BANNER \
 "   ___  __             _____     \n" 		\