diff --git a/carbon.h b/carbon.h
index 6c1b359..e0df93a 100644
--- a/carbon.h
+++ b/carbon.h
@@ -21,7 +21,7 @@
 
 #pragma once
 
-#define CARBON_VERSION "v0.4-alpha"
+#define CARBON_VERSION "v0.5-alpha"
 
 #ifdef __cplusplus
 extern "C" {