diff --git a/quic/core/crypto/tls_server_connection.cc b/quic/core/crypto/tls_server_connection.cc
index 54db545..dcc4536 100644
--- a/quic/core/crypto/tls_server_connection.cc
+++ b/quic/core/crypto/tls_server_connection.cc
@@ -24,7 +24,7 @@
   SSL_CTX_set_alpn_select_cb(ssl_ctx.get(), &SelectAlpnCallback, nullptr);
   // We don't actually need the TicketCrypter here, but we need to know
   // whether it's set.
-  if (GetQuicReloadableFlag(quic_enable_tls_resumption) &&
+  if (GetQuicReloadableFlag(quic_enable_tls_resumption_v2) &&
       proof_source->GetTicketCrypter()) {
     SSL_CTX_set_ticket_aead_method(ssl_ctx.get(),
                                    &TlsServerConnection::kSessionTicketMethod);
diff --git a/quic/core/http/end_to_end_test.cc b/quic/core/http/end_to_end_test.cc
index 8d274d0..b69f722 100644
--- a/quic/core/http/end_to_end_test.cc
+++ b/quic/core/http/end_to_end_test.cc
@@ -206,7 +206,7 @@
                           true);
 
     SetQuicReloadableFlag(quic_support_handshake_done_in_t050, true);
-    SetQuicReloadableFlag(quic_enable_tls_resumption, true);
+    SetQuicReloadableFlag(quic_enable_tls_resumption_v2, true);
     SetQuicReloadableFlag(quic_enable_zero_rtt_for_tls, true);
   }
 
diff --git a/quic/core/http/quic_spdy_client_session_test.cc b/quic/core/http/quic_spdy_client_session_test.cc
index 3464a7e..21e5d96 100644
--- a/quic/core/http/quic_spdy_client_session_test.cc
+++ b/quic/core/http/quic_spdy_client_session_test.cc
@@ -96,7 +96,7 @@
             QuicUtils::GetInvalidStreamId(GetParam().transport_version)) {
     auto client_cache = std::make_unique<test::SimpleSessionCache>();
     client_session_cache_ = client_cache.get();
-    SetQuicReloadableFlag(quic_enable_tls_resumption, true);
+    SetQuicReloadableFlag(quic_enable_tls_resumption_v2, true);
     SetQuicReloadableFlag(quic_enable_zero_rtt_for_tls, true);
     SetQuicReloadableFlag(quic_fix_gquic_stream_type, true);
     client_crypto_config_ = std::make_unique<QuicCryptoClientConfig>(
diff --git a/quic/core/quic_versions.cc b/quic/core/quic_versions.cc
index 461a488..5090344 100644
--- a/quic/core/quic_versions.cc
+++ b/quic/core/quic_versions.cc
@@ -693,7 +693,7 @@
 
 void QuicVersionInitializeSupportForIetfDraft() {
   // Enable necessary flags.
-  SetQuicReloadableFlag(quic_enable_tls_resumption, true);
+  SetQuicReloadableFlag(quic_enable_tls_resumption_v2, true);
   SetQuicReloadableFlag(quic_enable_zero_rtt_for_tls, true);
 }
 
diff --git a/quic/core/tls_client_handshaker_test.cc b/quic/core/tls_client_handshaker_test.cc
index 47989a7..f586028 100644
--- a/quic/core/tls_client_handshaker_test.cc
+++ b/quic/core/tls_client_handshaker_test.cc
@@ -174,7 +174,7 @@
         server_id_(kServerHostname, kServerPort, false),
         server_compressed_certs_cache_(
             QuicCompressedCertsCache::kQuicCompressedCertsCacheSize) {
-    SetQuicReloadableFlag(quic_enable_tls_resumption, true);
+    SetQuicReloadableFlag(quic_enable_tls_resumption_v2, true);
     SetQuicReloadableFlag(quic_enable_zero_rtt_for_tls, true);
     crypto_config_ = std::make_unique<QuicCryptoClientConfig>(
         std::make_unique<TestProofVerifier>(),
diff --git a/quic/core/tls_server_handshaker.cc b/quic/core/tls_server_handshaker.cc
index 69b5237..3894556 100644
--- a/quic/core/tls_server_handshaker.cc
+++ b/quic/core/tls_server_handshaker.cc
@@ -499,7 +499,7 @@
   memcpy(out, decrypted_session_ticket_.data(),
          decrypted_session_ticket_.size());
   *out_len = decrypted_session_ticket_.size();
-  QUIC_RELOADABLE_FLAG_COUNT(quic_enable_tls_resumption);
+  QUIC_RELOADABLE_FLAG_COUNT(quic_enable_tls_resumption_v2);
 
   return ssl_ticket_aead_success;
 }
diff --git a/quic/core/tls_server_handshaker_test.cc b/quic/core/tls_server_handshaker_test.cc
index 70550fc..b766dfc 100644
--- a/quic/core/tls_server_handshaker_test.cc
+++ b/quic/core/tls_server_handshaker_test.cc
@@ -48,7 +48,7 @@
       : server_compressed_certs_cache_(
             QuicCompressedCertsCache::kQuicCompressedCertsCacheSize),
         server_id_(kServerHostname, kServerPort, false) {
-    SetQuicReloadableFlag(quic_enable_tls_resumption, true);
+    SetQuicReloadableFlag(quic_enable_tls_resumption_v2, true);
     SetQuicReloadableFlag(quic_enable_zero_rtt_for_tls, true);
     client_crypto_config_ = std::make_unique<QuicCryptoClientConfig>(
         crypto_test_utils::ProofVerifierForTesting(),