diff --git a/gesture/gesture_test.go b/gesture/gesture_test.go
index f9fd3365..8162a911 100644
--- a/gesture/gesture_test.go
+++ b/gesture/gesture_test.go
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Unlicense OR MIT
+
 package gesture
 
 import (