diff --git a/lfs/iperf3 b/lfs/iperf3
index d5422d502..434764b66 100644
--- a/lfs/iperf3
+++ b/lfs/iperf3
@@ -1,7 +1,7 @@
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
-# Copyright (C) 2007-2019  IPFire Team  <info@ipfire.org>                     #
+# Copyright (C) 2007-2023  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        #
@@ -26,7 +26,7 @@ include Config
 
 SUMMARY    = A tool to measure network performance
 
-VER        = 3.10.1
+VER        = 3.12
 
 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       = iperf3
-PAK_VER    = 4
+PAK_VER    = 5
 
 DEPS       =
 
@@ -48,7 +48,7 @@ objects = $(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_BLAKE2 = 8390b4fb0d4c6590bf73e46d55fbe100f1c9832b4e7baba23b4bec2808b42582bf76cc4250c529a1eb4a58c7214120f0e3a393a7c2602b838b22d97eb53842b3
+$(DL_FILE)_BLAKE2 = 95753e4fd2b7ca640b17501f6b21b0e63ea0a3df2ba920c672ffcccd991502cacf4bf3641be1ffbbb993c86e6915ceada5745cffe1796bb86b6a6a1dff8811ae
 
 install : $(TARGET)
 check : $(patsubst %,$(DIR_CHK)/%,$(objects))
@@ -80,7 +80,6 @@ $(subst %,%_BLAKE2,$(objects)) :
 $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	@$(PREBUILD)
 	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
-	cd $(DIR_APP) && patch -Np1 -i $(DIR_SRC)/src/patches/iperf3/iperf-3.9-remove-pg-flag.patch
 	$(UPDATE_AUTOMAKE)
 	cd $(DIR_APP) && ./configure --prefix=/usr
 	cd $(DIR_APP) && make $(MAKETUNING) $(EXTRA_MAKE)
diff --git a/src/patches/iperf3/iperf-3.9-remove-pg-flag.patch b/src/patches/iperf3/iperf-3.9-remove-pg-flag.patch
deleted file mode 100644
index e5fafe4af..000000000
--- a/src/patches/iperf3/iperf-3.9-remove-pg-flag.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-diff -Naur iperf-3.9.org/src/Makefile.am iperf-3.9/src/Makefile.am
---- iperf-3.9.org/src/Makefile.am	2020-08-15 00:08:27.000000000 +0200
-+++ iperf-3.9/src/Makefile.am	2020-12-22 22:16:14.488228000 +0100
-@@ -58,9 +58,9 @@
- iperf3_profile_SOURCES  = main.c \
-                           $(libiperf_la_SOURCES)
- 
--iperf3_profile_CFLAGS   = -pg -g
-+iperf3_profile_CFLAGS   = -g
- iperf3_profile_LDADD    = libiperf.la
--iperf3_profile_LDFLAGS  = -pg -g
-+iperf3_profile_LDFLAGS  = -g
- endif
- 
- # Specify the sources and various flags for the test cases
-diff -Naur iperf-3.9.org/src/Makefile.in iperf-3.9/src/Makefile.in
---- iperf-3.9.org/src/Makefile.in	2020-08-15 00:08:27.000000000 +0200
-+++ iperf-3.9/src/Makefile.in	2020-12-22 22:16:41.934746000 +0100
-@@ -680,9 +680,9 @@
- @ENABLE_PROFILING_TRUE@iperf3_profile_SOURCES = main.c \
- @ENABLE_PROFILING_TRUE@                          $(libiperf_la_SOURCES)
- 
--@ENABLE_PROFILING_TRUE@iperf3_profile_CFLAGS = -pg -g
-+@ENABLE_PROFILING_TRUE@iperf3_profile_CFLAGS = -g
- @ENABLE_PROFILING_TRUE@iperf3_profile_LDADD = libiperf.la
--@ENABLE_PROFILING_TRUE@iperf3_profile_LDFLAGS = -pg -g
-+@ENABLE_PROFILING_TRUE@iperf3_profile_LDFLAGS = -g
- 
- # Specify the sources and various flags for the test cases
- t_timer_SOURCES = t_timer.c