diff --git a/Tools/tsan/suppressions_free_threading.txt b/Tools/tsan/suppressions_free_threading.txt
index dbb0aacb7ed9cd..42ab27e6d9906e 100644
--- a/Tools/tsan/suppressions_free_threading.txt
+++ b/Tools/tsan/suppressions_free_threading.txt
@@ -44,6 +44,8 @@ race_top:PyMember_GetOne
 race_top:PyMember_SetOne
 race_top:new_reference
 race_top:set_contains_key
+# https://gist.github.com/colesbury/d13d033f413b4ad07929d044bed86c35
+race_top:set_discard_entry
 race_top:set_inheritable
 race_top:start_the_world
 race_top:tstate_set_detached