diff --git a/python-M2Crypto.changes b/python-M2Crypto.changes
index 84e4556..19413b5 100644
--- a/python-M2Crypto.changes
+++ b/python-M2Crypto.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jun 27 10:51:14 UTC 2023 - Dirk Müller <dmueller@suse.com>
+
+- add timeout_300hz.patch to accept a small deviation from time
+  in the testsuite (bsc#1212757)
+
 -------------------------------------------------------------------
 Thu Mar 16 10:35:33 UTC 2023 - Otto Hollmann <otto.hollmann@suse.com>
 
diff --git a/python-M2Crypto.spec b/python-M2Crypto.spec
index 0ee6c54..20f279f 100644
--- a/python-M2Crypto.spec
+++ b/python-M2Crypto.spec
@@ -37,6 +37,7 @@ Patch1:         openssl-stop-parsing-header.patch
 Patch2:         https://src.fedoraproject.org/rpms/m2crypto/raw/d7be0dd83ee5a414544d99dcc62cde4ad5998f0c/f/m2crypto-0.38-ossl3-tests.patch
 # PATCH-FIX-UPSTREAM https://gitlab.com/m2crypto/m2crypto/-/merge_requests/284
 Patch3:         openssl-adapt-tests-for-3.1.0.patch
+Patch4:         timeout_300hz.patch
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module parameterized}
 BuildRequires:  %{python_module pytest}
diff --git a/timeout_300hz.patch b/timeout_300hz.patch
new file mode 100644
index 0000000..40f2eec
--- /dev/null
+++ b/timeout_300hz.patch
@@ -0,0 +1,13 @@
+Index: M2Crypto-0.38.0/tests/test_ssl.py
+===================================================================
+--- M2Crypto-0.38.0.orig/tests/test_ssl.py
++++ M2Crypto-0.38.0/tests/test_ssl.py
+@@ -391,7 +391,7 @@ class MiscSSLClientTestCase(BaseSSLClien
+             self.assertEqual(r.sec, DEFAULT_TIMEOUT, r.sec)
+             self.assertEqual(r.microsec, 0, r.microsec)
+             self.assertEqual(w.sec, test_timeout_sec, w.sec)
+-            self.assertEqual(w.microsec, test_timeout_microsec, w.microsec)
++            self.assertTrue(abs(w.microsec - test_timeout_microsec) < 4000, w.microsec)
+ 
+             s.connect(self.srv_addr)
+             data = self.http_get(s)