diff --git a/python-gevent.changes b/python-gevent.changes
index 27b75d3..b233fe0 100644
--- a/python-gevent.changes
+++ b/python-gevent.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri May  9 15:54:04 UTC 2025 - Bernhard Wiedemann <bwiedemann@suse.com>
+
+- Use %_smp_mflags for reproducible builds (boo#1237231)
+
 -------------------------------------------------------------------
 Fri Apr 25 07:37:04 UTC 2025 - Pedro Monreal <pmonreal@suse.com>
 
diff --git a/python-gevent.spec b/python-gevent.spec
index b37c4a5..accea19 100644
--- a/python-gevent.spec
+++ b/python-gevent.spec
@@ -161,7 +161,7 @@ $python -m gevent.tests \
   --ignore skip_tests.txt \
   -u-network \
   --verbose \
-  %{?jobs:--processes %jobs}
+  %{?_smp_mflags}
 }
 
 %files %{python_files}