diff --git a/include/snowflake/version.h b/include/snowflake/version.h
index 7740295b50..113ce236f5 100644
--- a/include/snowflake/version.h
+++ b/include/snowflake/version.h
@@ -5,6 +5,6 @@
 #ifndef SNOWFLAKE_CLIENT_VERSION_H
 #define SNOWFLAKE_CLIENT_VERSION_H
 
-#define SF_API_VERSION "0.3.18"
+#define SF_API_VERSION "0.4.0"
 
 #endif /* SNOWFLAKE_CLIENT_VERSION_H */