diff --git a/0061-fix-pbuf-leak-in-udp-connection.patch b/0061-fix-pbuf-leak-in-udp-connection.patch
new file mode 100644
index 0000000..a75e3fd
--- /dev/null
+++ b/0061-fix-pbuf-leak-in-udp-connection.patch
@@ -0,0 +1,29 @@
+From 21f7f9a5bdfd5d2f592af19e73647a48fdbb7bf1 Mon Sep 17 00:00:00 2001
+From: kircher <majun65@huawei.com>
+Date: Tue, 16 May 2023 19:07:42 +0800
+Subject: [PATCH] fix pbuf leak in udp connection
+
+---
+ src/core/udp.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/src/core/udp.c b/src/core/udp.c
+index 1398537..9c3cdaa 100644
+--- a/src/core/udp.c
++++ b/src/core/udp.c
+@@ -933,8 +933,11 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *d
+   /* @todo: must this be increased even if error occurred? */
+   MIB2_STATS_INC(mib2.udpoutdatagrams);
+ 
++#if !GAZELLE_ENABLE
+   /* did we chain a separate header pbuf earlier? */
+-  if (q != p) {
++  if (q != p)
++#endif
++  {
+     /* free the header pbuf */
+     pbuf_free(q);
+     q = NULL;
+-- 
+2.33.0
+
diff --git a/lwip.spec b/lwip.spec
index 5d6ad7e..c61a9a7 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.1.3
-Release: 51
+Release: 52
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -72,6 +72,7 @@ Patch9056:  0057-same-node-gazellectl-a.patch
 Patch9057:  0058-lwip-send-recv-thread-bind-numa.patch
 Patch9058:  0059-fix-last_unsent-last_unacked.patch
 Patch9059:  0060-lwip-add-udp-multicast.patch
+Patch9060:  0061-fix-pbuf-leak-in-udp-connection.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -148,6 +149,7 @@ find %{_builddir}/%{name}-%{version} -type f -exec dos2unix -q {} \;
 %patch9057 -p1
 %patch9058 -p1
 %patch9059 -p1
+%patch9060 -p1
 
 %build
 cd %{_builddir}/%{name}-%{version}/src
@@ -163,6 +165,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Mon May 16 2023 kircher <majun65@huawei.com> - 2.1.3-52
+- fix pbuf leak in udp connection
+
 * Fri May 12 2023 kircher <majun65@huawei.com> - 2.1.3-51
 - add udp multicast support in lwip