diff --git a/lfs/whois b/lfs/whois
index 5dee31d4a..19989af36 100644
--- a/lfs/whois
+++ b/lfs/whois
@@ -1,7 +1,7 @@
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
-# Copyright (C) 2007-2018  IPFire Team  <info@ipfire.org>                     #
+# Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
 #                                                                             #
 # This program is free software: you can redistribute it and/or modify        #
 # it under the terms of the GNU General Public License as published by        #
@@ -24,7 +24,7 @@
 
 include Config
 
-VER        = 5.5.10
+VER        = 5.5.13
 
 THISAPP    = whois_$(VER)
 DL_FILE    = $(THISAPP).tar.xz
@@ -42,7 +42,7 @@ objects = $(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_BLAKE2 = f3a2c6d0f46f2091ce8e201a1a670d144b4707cd6928a80da76c6b302fb105dab11d7bf90ac8473d40c0da0ad709956ab3d4b9a2db861b7111603b6037593cf3
+$(DL_FILE)_BLAKE2 = 6ce90ad907c4ea79301adbcda5a402344df9f283ac258a3186f5c405e0abfb97f603f3f163652f1cf03a1fc60290b8f9f54b509bf7d9fd3cec12189eeeaaffe5
 
 install : $(TARGET)