diff --git a/package/libmodbus/libmodbus.hash b/package/libmodbus/libmodbus.hash
index b5c4450d6b..2d65e28a34 100644
--- a/package/libmodbus/libmodbus.hash
+++ b/package/libmodbus/libmodbus.hash
@@ -1,2 +1,3 @@
 # Locally computed
 sha256  c8c862b0e9a7ba699a49bc98f62bdffdfafd53a5716c0e162696b4bf108d3637  libmodbus-3.1.4.tar.gz
+sha256  dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  COPYING.LESSER