diff --git a/python-Pympler.changes b/python-Pympler.changes
index 3f8c9d6..850cbcc 100644
--- a/python-Pympler.changes
+++ b/python-Pympler.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Nov 25 17:03:38 UTC 2024 - Guillaume GARDET <guillaume.gardet@opensuse.org>
+
+- Disable test_otracker_diff on aarch64 as it randomly makes the
+  check to fail due to worker slowness
+
 -------------------------------------------------------------------
 Thu Oct 24 10:17:21 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-Pympler.spec b/python-Pympler.spec
index f8e39fd..1edfab0 100644
--- a/python-Pympler.spec
+++ b/python-Pympler.spec
@@ -72,6 +72,10 @@ skiptests+=" or test_findgarbage or test_prune or test_get_tree"
 skiptests+=" or test_findgarbage or test_prune or test_get_tree"
 # gh#pympler/pympler#163
 skiptests+=" or test_edges_new or test_edges_old or test_split or test_traceback"
+%if "%_arch" == "aarch64"
+# Slow and OBS can kill it on some archs
+skiptests+=" or test_otracker_diff"
+%endif
 %pytest -k "not ($skiptests)"
 
 %files %{python_files}