diff --git a/quiche/common/quiche_feature_flags_list.h b/quiche/common/quiche_feature_flags_list.h
index dcf5b04..1e42557 100755
--- a/quiche/common/quiche_feature_flags_list.h
+++ b/quiche/common/quiche_feature_flags_list.h
@@ -32,7 +32,7 @@
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_enable_mtu_discovery_at_server, false, "If true, QUIC will default enable MTU discovery at server, with a target of 1450 bytes.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_enable_server_on_wire_ping, true, "If true, enable server retransmittable on wire PING.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_enable_version_rfcv2, false, "When true, support RFC9369.")
-QUICHE_FLAG(bool, quiche_reloadable_flag_quic_gfe_allow_alps_new_codepoint, false, "If true, allow quic to use new ALPS codepoint to negotiate during handshake for H3 if client sends new ALPS codepoint.")
+QUICHE_FLAG(bool, quiche_reloadable_flag_quic_gfe_allow_alps_new_codepoint, true, "If true, allow quic to use new ALPS codepoint to negotiate during handshake for H3 if client sends new ALPS codepoint.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_ignore_gquic_probing, true, "If true, QUIC server will not respond to gQUIC probing packet(PING + PADDING) but treat it as a regular packet.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_limit_new_streams_per_loop_2, false, "If true, when the peer sends connection options \\\'SLP1\\\', \\\'SLP2\\\' and \\\'SLPF\\\', internet facing GFEs will only allow a limited number of new requests to be processed per event loop, and postpone the rest to the following event loops. Also guard QuicConnection to iterate through all decrypters at each encryption level to get cipher id for a request.")
 QUICHE_FLAG(bool, quiche_reloadable_flag_quic_new_error_code_when_packets_buffered_too_long, true, "If true, dispatcher sends error code QUIC_HANDSHAKE_FAILED_PACKETS_BUFFERED_TOO_LONG when handshake fails due to packets buffered for too long.")