diff --git a/quic/core/quic_framer.cc b/quic/core/quic_framer.cc
index 7524b17..adbe794 100644
--- a/quic/core/quic_framer.cc
+++ b/quic/core/quic_framer.cc
@@ -1434,6 +1434,10 @@
 
   // TODO(fayang): Randomly select a value for the type.
   uint8_t type = static_cast<uint8_t>(FLAGS_LONG_HEADER);
+  if (GetQuicReloadableFlag(quic_send_version_negotiation_fixed_bit)) {
+    QUIC_RELOADABLE_FLAG_COUNT(quic_send_version_negotiation_fixed_bit);
+    type |= static_cast<uint8_t>(FLAGS_FIXED_BIT);
+  }
   if (!writer.WriteUInt8(type)) {
     return nullptr;
   }
diff --git a/quic/core/quic_framer_test.cc b/quic/core/quic_framer_test.cc
index 700c4cf..4af5b3a 100644
--- a/quic/core/quic_framer_test.cc
+++ b/quic/core/quic_framer_test.cc
@@ -6556,9 +6556,13 @@
       // version tag
       QUIC_VERSION_BYTES,
   };
+  unsigned char type44 = 0x80;
+  if (GetQuicReloadableFlag(quic_send_version_negotiation_fixed_bit)) {
+    type44 = 0xC0;
+  }
   unsigned char packet44[] = {
       // type (long header)
-      0x80,
+      type44,
       // version tag
       0x00, 0x00, 0x00, 0x00,
       // connection_id length
diff --git a/quic/core/quic_versions.cc b/quic/core/quic_versions.cc
index c8c55e4..01e08d2 100644
--- a/quic/core/quic_versions.cc
+++ b/quic/core/quic_versions.cc
@@ -434,6 +434,8 @@
   SetQuicReloadableFlag(quic_use_uber_received_packet_manager, true);
   SetQuicReloadableFlag(quic_validate_packet_number_post_decryption, true);
   SetQuicReloadableFlag(quic_print_tag_hex, true);
+  SetQuicReloadableFlag(quic_send_version_negotiation_fixed_bit, true);
+  SetQuicRestartFlag(quic_server_drop_version_negotiation, true);
   SetQuicRestartFlag(quic_enable_accept_random_ipn, true);
 }