diff --git a/package/libgsm/libgsm.hash b/package/libgsm/libgsm.hash
index a73359d653..523e629dc4 100644
--- a/package/libgsm/libgsm.hash
+++ b/package/libgsm/libgsm.hash
@@ -1,2 +1,3 @@
 # Locally computed
 sha256  855a57d1694941ddf3c73cb79b8d0b3891e9c9e7870b4981613b734e1ad07601  gsm-1.0.17.tar.gz
+sha256  81c68a3374937ed9b5e4929c709e81a2c4b35b5d1f450ecf8c473e2daea46ff6  COPYRIGHT