diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index e563119..9375734 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -40,7 +40,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_dont_defer_sending, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_mtu_discovery_at_server, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_server_on_wire_ping, true)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_token_based_address_validation, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_token_based_address_validation, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_encrypted_control_frames, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_encrypted_goaway, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_extract_x509_subject_using_certificate_view, true)