diff --git a/Tools/tsan/suppressions.txt b/Tools/tsan/suppressions.txt
index 22ba9d6ba2ab4d..de89a41f420235 100644
--- a/Tools/tsan/suppressions.txt
+++ b/Tools/tsan/suppressions.txt
@@ -3,5 +3,8 @@
 race:get_allocator_unlocked
 race:set_allocator_unlocked
 
+# gh-124878: race condition when interpreter finalized while daemon thread runs
+race:free_threadstate
+
 # https://gist.github.com/mpage/daaf32b39180c1989572957b943eb665
 thread:pthread_create
diff --git a/Tools/tsan/suppressions_free_threading.txt b/Tools/tsan/suppressions_free_threading.txt
index 5ba0a81ac71c3d..da30d7020d1202 100644
--- a/Tools/tsan/suppressions_free_threading.txt
+++ b/Tools/tsan/suppressions_free_threading.txt
@@ -17,7 +17,8 @@ race:set_allocator_unlocked
 
 # https://gist.github.com/swtaarrs/8e0e365e1d9cecece3269a2fb2f2b8b8
 race:sock_recv_impl
-# https://gist.github.com/swtaarrs/08dfe7883b4c975c31ecb39388987a67
+
+# gh-124878: race condition when interpreter finalized while daemon thread runs
 race:free_threadstate