diff --git a/support/Bfloat16.h b/support/Bfloat16.h
index d897e42..65805f2 100644
--- a/support/Bfloat16.h
+++ b/support/Bfloat16.h
@@ -77,7 +77,7 @@
 }
 
 /** Brain floating point representation class */
-class bfloat16
+class bfloat16 final
 {
 public:
     /** Default Constructor */