diff --git a/src/limedriver.h b/src/limedriver.h
index 63eb0a1..2d8f784 100644
--- a/src/limedriver.h
+++ b/src/limedriver.h
@@ -24,7 +24,7 @@
 #include <direct.h> // _mkdir
 #endif
 
-#define VERSION "0.3.0"
+#define VERSION "0.4.0"
 
 struct LimeConfig_t {