diff --git a/iperf-3.11.tar.gz b/iperf-3.11.tar.gz
deleted file mode 100644
index d688fdb..0000000
--- a/iperf-3.11.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:de8cb409fad61a0574f4cb07eb19ce1159707403ac2dc01b5d175e91240b7e5f
-size 635841
diff --git a/iperf-3.11.tar.gz.sha256 b/iperf-3.11.tar.gz.sha256
deleted file mode 100644
index 2ca255c..0000000
--- a/iperf-3.11.tar.gz.sha256
+++ /dev/null
@@ -1 +0,0 @@
-de8cb409fad61a0574f4cb07eb19ce1159707403ac2dc01b5d175e91240b7e5f  /tmp/iperf-3.11.tar.gz
\ No newline at end of file
diff --git a/iperf-3.12.tar.gz b/iperf-3.12.tar.gz
new file mode 100644
index 0000000..af0c8c1
--- /dev/null
+++ b/iperf-3.12.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:72034ecfb6a7d6d67e384e19fb6efff3236ca4f7ed4c518d7db649c447e1ffd6
+size 644807
diff --git a/iperf-3.12.tar.gz.sha256 b/iperf-3.12.tar.gz.sha256
new file mode 100644
index 0000000..42817b8
--- /dev/null
+++ b/iperf-3.12.tar.gz.sha256
@@ -0,0 +1 @@
+72034ecfb6a7d6d67e384e19fb6efff3236ca4f7ed4c518d7db649c447e1ffd6  iperf-3.12.tar.gz
diff --git a/iperf.changes b/iperf.changes
index 1c493bd..67e533a 100644
--- a/iperf.changes
+++ b/iperf.changes
@@ -1,3 +1,34 @@
+-------------------------------------------------------------------
+Sat Dec  3 13:24:09 UTC 2022 - Dirk Müller <dmueller@suse.com>
+
+- update to 3.12:
+  * cJSON has been updated to version 1.7.15 (#1383).
+  * The --bind <host>%<dev> option syntax now works properly (#1360 /
+  * A server-side file descriptor leak with the --logfile option has
+    been fixed (#1369 / #1360 / #1369 / #1389 / #1393).
+  * A bug that caused some large values from TCP_INFO to be misprinted
+    as negative numbers has been fixed (#1372).
+  * Using the -k or -n flags with --reverse no longer leak into future
+    tests (#1363 / #1364).
+  * There are now various debug level options available with the
+    --debug option. These can be used to adjust the amount of
+    debugging output (#1327).
+  * A new --snd-timeout option has been added to set a termination
+    timeout for idle TCP connections (#1215 / #1282).
+  * iperf3 is slightly more robust to out-of-order packets during UDP
+    connection setup in --reverse mode (#914 / #1123 / #1182 / #1212 /
+  * iperf3 will now use different ports for each direction when the
+    --cport and --bdir options are set (#1249 / #1259).
+  * The iperf3 server will now exit if it can't open its log file
+  * Various help message and output fixes have been made (#1299 /
+  * Various compiler warnings have been fixed (#1211 / #1316).
+  * Operation of bootstrap.sh has been fixed and simplified (#1335 /
+  * Flow label support / compatibility under Linux has been improved
+  * Various minor memory leaks have been fixed (#1332 / #1333).
+  * A getter/setter has been added for the bind_port parameter
+    (--cport option). (#1303, #1305)
+  * Various internal documentation improvements (#1265 / #1285 / #1304).
+
 -------------------------------------------------------------------
 Thu Mar  3 09:50:41 UTC 2022 - Michal Svec <msvec@suse.com>
 
diff --git a/iperf.spec b/iperf.spec
index 5080f99..629405c 100644
--- a/iperf.spec
+++ b/iperf.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package iperf
 #
-# Copyright (c) 2021 SUSE LLC
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,7 +18,7 @@
 
 %define soname  0
 Name:           iperf
-Version:        3.11
+Version:        3.12
 Release:        0
 Summary:        A tool to measure network performance
 License:        BSD-3-Clause