diff --git a/ssl/internal.h b/ssl/internal.h
index fca2dda..3745592 100644
--- a/ssl/internal.h
+++ b/ssl/internal.h
@@ -1021,6 +1021,7 @@
   ssl_grease_group,
   ssl_grease_extension1,
   ssl_grease_extension2,
+  ssl_grease_version,
 };
 
 /* ssl_get_grease_value returns a GREASE value for |ssl|. For a given