diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index f19e1d7..5b4cbbc 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -36,7 +36,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_donot_reset_ideal_next_packet_send_time, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_dont_defer_sending, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_alps_client, false)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_alps_server, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_alps_server, true)
 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, true)