diff --git a/adjust-installation-directories-for-openSUSE-SLE.patch b/adjust-installation-directories-for-openSUSE-SLE.patch
index 91851cb..d11782c 100644
--- a/adjust-installation-directories-for-openSUSE-SLE.patch
+++ b/adjust-installation-directories-for-openSUSE-SLE.patch
@@ -10,10 +10,10 @@ Match the directory layout of openSUSE and SLE.
  tc/q_netem.c   |    2 +-
  3 files changed, 7 insertions(+), 6 deletions(-)
 
-Index: iproute2-6.5.0/Makefile
+Index: iproute2-6.6.0/Makefile
 ===================================================================
---- iproute2-6.5.0.orig/Makefile
-+++ iproute2-6.5.0/Makefile
+--- iproute2-6.6.0.orig/Makefile
++++ iproute2-6.6.0/Makefile
 @@ -15,10 +15,10 @@ MAKEFLAGS += --no-print-directory
  endif
  
@@ -21,7 +21,7 @@ Index: iproute2-6.5.0/Makefile
 -SBINDIR?=/sbin
 +SBINDIR?=/usr/sbin
  CONF_ETC_DIR?=/etc/iproute2
- CONF_USR_DIR?=$(PREFIX)/lib/iproute2
+ CONF_USR_DIR?=$(LIBDIR)/iproute2
 -NETNS_RUN_DIR?=/var/run/netns
 +NETNS_RUN_DIR?=/run/netns
  NETNS_ETC_DIR?=/etc/netns
@@ -36,10 +36,10 @@ Index: iproute2-6.5.0/Makefile
  ifneq ($(SHARED_LIBS),y)
  DEFINES+= -DNO_SHARED_LIBS
  endif
-Index: iproute2-6.5.0/netem/Makefile
+Index: iproute2-6.6.0/netem/Makefile
 ===================================================================
---- iproute2-6.5.0.orig/netem/Makefile
-+++ iproute2-6.5.0/netem/Makefile
+--- iproute2-6.6.0.orig/netem/Makefile
++++ iproute2-6.6.0/netem/Makefile
 @@ -7,6 +7,7 @@ DISTDATA = normal.dist pareto.dist paret
  HOSTCC ?= $(CC)
  CCOPTS  = $(CBUILD_CFLAGS)
@@ -60,11 +60,11 @@ Index: iproute2-6.5.0/netem/Makefile
  	done
  
  clean:
-Index: iproute2-6.5.0/tc/q_netem.c
+Index: iproute2-6.6.0/tc/q_netem.c
 ===================================================================
---- iproute2-6.5.0.orig/tc/q_netem.c
-+++ iproute2-6.5.0/tc/q_netem.c
-@@ -130,7 +130,7 @@ static int get_distribution(const char *
+--- iproute2-6.6.0.orig/tc/q_netem.c
++++ iproute2-6.6.0/tc/q_netem.c
+@@ -131,7 +131,7 @@ static int get_distribution(const char *
  	char *line = NULL;
  	char name[128];
  
diff --git a/iproute2-6.5.0.tar.sign b/iproute2-6.5.0.tar.sign
deleted file mode 100644
index 53d8fa0..0000000
Binary files a/iproute2-6.5.0.tar.sign and /dev/null differ
diff --git a/iproute2-6.5.0.tar.xz b/iproute2-6.5.0.tar.xz
deleted file mode 100644
index 3ee5231..0000000
--- a/iproute2-6.5.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a70179085fa1b96d3c33b040c809b75e2b57563adc505a4ad05e2609df373463
-size 925940
diff --git a/iproute2-6.6.0.tar.sign b/iproute2-6.6.0.tar.sign
new file mode 100644
index 0000000..4cc86ae
Binary files /dev/null and b/iproute2-6.6.0.tar.sign differ
diff --git a/iproute2-6.6.0.tar.xz b/iproute2-6.6.0.tar.xz
new file mode 100644
index 0000000..206c976
--- /dev/null
+++ b/iproute2-6.6.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8738c804afd09f0bf756937f0c3de23117832a98d8cbbf50386cf5005cd613ce
+size 917964
diff --git a/iproute2.changes b/iproute2.changes
index d9030db..d0f8f5d 100644
--- a/iproute2.changes
+++ b/iproute2.changes
@@ -1,3 +1,17 @@
+-------------------------------------------------------------------
+Thu Nov 30 22:40:27 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 6.6
+  * bridge: Add backup nexthop ID support
+  * tc: Classifier support for SPI field
+  * tc: support the netem seed parameter for loss and corruption
+    events
+  * tc: remove support for CBQ
+  * tc: remove support for RSVP classifier
+  * tc: remove tcindex classifier
+  * tc: remove dsmark qdisc
+  * tc: drop support for ATM qdisc
+
 -------------------------------------------------------------------
 Tue Sep 12 14:22:29 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/iproute2.spec b/iproute2.spec
index 6abaf91..d614668 100644
--- a/iproute2.spec
+++ b/iproute2.spec
@@ -18,7 +18,7 @@
 
 %define _buildshell /bin/bash
 Name:           iproute2
-Version:        6.5
+Version:        6.6
 Release:        0
 Summary:        Linux network configuration utilities
 License:        GPL-2.0-only
diff --git a/use-sysconf-_SC_CLK_TCK-if-HZ-undefined.patch b/use-sysconf-_SC_CLK_TCK-if-HZ-undefined.patch
index 90ea8d7..bf1c30e 100644
--- a/use-sysconf-_SC_CLK_TCK-if-HZ-undefined.patch
+++ b/use-sysconf-_SC_CLK_TCK-if-HZ-undefined.patch
@@ -4,15 +4,15 @@ Subject: use sysconf(_SC_CLK_TCK) if HZ undefined
 Patch-mainline: No
 
 ---
- lib/utils.c | 4 ++++
+ lib/utils.c |    4 ++++
  1 file changed, 4 insertions(+)
 
-Index: iproute2-6.3.0/lib/utils.c
+Index: iproute2-6.6.0/lib/utils.c
 ===================================================================
---- iproute2-6.3.0.orig/lib/utils.c
-+++ iproute2-6.3.0/lib/utils.c
-@@ -108,6 +108,10 @@ int get_hex(char c)
- 	return -1;
+--- iproute2-6.6.0.orig/lib/utils.c
++++ iproute2-6.6.0/lib/utils.c
+@@ -138,6 +138,10 @@ int get_long(long *val, const char *arg,
+ 	return 0;
  }
  
 +#ifndef HZ