diff --git a/lfs/whois b/lfs/whois
index 7715f5c29..fc2b99b6e 100644
--- a/lfs/whois
+++ b/lfs/whois
@@ -24,7 +24,7 @@
 
 include Config
 
-VER        = 5.5.17
+VER        = 5.5.18
 
 THISAPP    = whois-$(VER)
 DL_FILE    = $(THISAPP).tar.gz
@@ -40,7 +40,7 @@ objects = $(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_BLAKE2 = 2c60c3e9725fc31d1ff159c25a9be8ce42784db8331820a7459c2359364d0312395632a9e478995ddf787e363f073f9018982a2fb95739357a45a826ce8f79ee
+$(DL_FILE)_BLAKE2 = 86809c2bd7175947191f1b516702e62dcb8ad1ee7bb65091a598ba7c5501e628886245d1f61ce141de869c923cfe67247038b61d6e8875c7c6c712c6a61fa119
 
 install : $(TARGET)