diff --git a/.gitignore b/.gitignore
index 08d3f3f..b7b6341 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /less-530.tar.gz
 /less-550.tar.gz
+/less-551.tar.gz
diff --git a/sources b/sources
index 9981d61..d5a231c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (less-550.tar.gz) = a3d2769d90589a8e6afbfc9ac10cd1b544e0b0bbe28884e5ad980a71c541a37545c11d3450984b346b516fe082dfc0cf89d246c5a2d6002a7a2b4a4296a15494
+SHA512 (less-551.tar.gz) = ef5296b9ebd72f83c05cad8a0f7a5eec2290e9b358ee725e09e8541bd95f94c0e14ea22aa04b287a0654079338eaeae813f2235b8e9f819fbbc9040dd65a9585