diff --git a/Tools/tsan/suppressions_free_threading.txt b/Tools/tsan/suppressions_free_threading.txt
index 21224e490b8160..3230f969436c82 100644
--- a/Tools/tsan/suppressions_free_threading.txt
+++ b/Tools/tsan/suppressions_free_threading.txt
@@ -46,4 +46,12 @@ race:list_inplace_repeat_lock_held
# PyObject_Realloc internally does memcpy which isn't atomic so can race
# with non-locking reads. See #132070
-race:PyObject_Realloc
\ No newline at end of file
+race:PyObject_Realloc
+
+# gh-133467. Some of these could be hard to trigger.
+race_top:update_one_slot
+race_top:_Py_slot_tp_getattr_hook
+race_top:slot_tp_descr_get
+race_top:type_set_name
+race_top:set_tp_bases
+race_top:type_set_bases_unlocked
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