diff --git a/lfs/iperf b/lfs/iperf
index 10bdc61d3..ad4e9f374 100644
--- a/lfs/iperf
+++ b/lfs/iperf
@@ -26,7 +26,7 @@ include Config
 
 SUMMARY    = A tool to measure network performance
 
-VER        = 2.0.14a
+VER        = 2.1.7
 
 THISAPP    = iperf-$(VER)
 DL_FILE    = $(THISAPP).tar.gz
@@ -34,7 +34,7 @@ DL_FROM    = $(URL_IPFIRE)
 DIR_APP    = $(DIR_SRC)/$(THISAPP)
 TARGET     = $(DIR_INFO)/$(THISAPP)
 PROG       = iperf
-PAK_VER    = 5
+PAK_VER    = 6
 
 DEPS       =
 
@@ -48,7 +48,7 @@ objects = $(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_BLAKE2 = 8484e7514f9569499cd7e66fd778856fc88dd30cadac84e70e412d457b26ac681620f1e6d434d23a6739ec3132b5b41662c3340795679bf9a4fc709e84308f7f
+$(DL_FILE)_BLAKE2 = 7540cc8e7229bb48ee0483c18c3a07ad4bbc63cf02e742d1b38ba703168013f30c47c2e37d856c06634c541ae0f7e7f11a08014ede233c1f6bcc7780ad528283
 
 install : $(TARGET)