diff --git a/include/roq/api.hpp b/include/roq/api.hpp
index 09469ad4..a29e0850 100644
--- a/include/roq/api.hpp
+++ b/include/roq/api.hpp
@@ -121,7 +121,7 @@
 
 // version
 
-#define ROQ_VERSION "0.9.9"
+#define ROQ_VERSION "1.0.0"
 
 namespace roq {