diff --git a/keystore/operation.h b/keystore/operation.h
index e0865a4..ef880a7 100644
--- a/keystore/operation.h
+++ b/keystore/operation.h
@@ -26,7 +26,7 @@
 
 #include <binder/Binder.h>
 #include <binder/IBinder.h>
-#include <keymasterV4_0/Keymaster.h>
+#include <keymasterV4_1/Keymaster.h>
 #include <utils/StrongPointer.h>
 
 #include <keystore/keymaster_types.h>