diff --git a/withlock-0.5-fixboo864785.patch b/withlock-0.5-fixboo864785.patch
new file mode 100644
index 0000000..f760517
--- /dev/null
+++ b/withlock-0.5-fixboo864785.patch
@@ -0,0 +1,37 @@
+https://github.com/poeml/withlock/pull/5
+
+From 218831d810b44675c948786d3ce4d3d3180e83e0 Mon Sep 17 00:00:00 2001
+From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
+Date: Sun, 1 Jan 2023 14:43:26 +0100
+Subject: [PATCH] Re-open lock file before locking
+
+because the previous 'withlock' cleanup function might have deleted
+the file and since we still held a handle to the old deleted file,
+we could run concurrently with a 3rd 'withlock' which creates a new file.
+
+Fixes #1
+Fixes boo#864785
+
+Signed-off-by: Bernhard M. Wiedemann <bwiedemann@suse.de>
+---
+ withlock | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/withlock b/withlock
+index 01ef866..9e16f69 100755
+--- a/withlock
++++ b/withlock
+@@ -137,12 +137,11 @@ def main():
+ 
+     prev_umask = os.umask(0o066)
+ 
+-    lock = open(lockfile, 'w')
+-
+     global got_lock
+     while 1 + 1 == 2:
+ 
+         try:
++            lock = open(lockfile, 'w')
+             fcntl.lockf(lock, fcntl.LOCK_EX | fcntl.LOCK_NB)
+             got_lock = True
+             break
diff --git a/withlock.changes b/withlock.changes
index 5abe531..e78c100 100644
--- a/withlock.changes
+++ b/withlock.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Jan  1 13:51:36 UTC 2023 - Bernhard Wiedemann <bwiedemann@suse.com>
+
+- Add withlock-0.5-fixboo864785.patch to fix concurrent locking (boo#864785)
+
 -------------------------------------------------------------------
 Thu Oct  3 08:54:21 UTC 2019 - munix9@googlemail.com
 
diff --git a/withlock.spec b/withlock.spec
index 9b57b19..c0293ae 100644
--- a/withlock.spec
+++ b/withlock.spec
@@ -25,6 +25,7 @@ Group:          System/Management
 URL:            https://github.com/poeml/withlock
 Source0:        %{name}-%{version}.tar.gz
 Patch0:         fix-use-python3.patch
+Patch1:         withlock-0.5-fixboo864785.patch
 Requires:       python3
 BuildArch:      noarch