diff --git a/quic/core/quic_versions_test.cc b/quic/core/quic_versions_test.cc
index d4e8065..09d6a3e 100644
--- a/quic/core/quic_versions_test.cc
+++ b/quic/core/quic_versions_test.cc
@@ -297,6 +297,7 @@
   SetQuicReloadableFlag(quic_enable_version_47, true);
   SetQuicReloadableFlag(quic_enable_version_48_2, true);
   SetQuicReloadableFlag(quic_enable_version_99, true);
+  SetQuicReloadableFlag(quic_use_parse_public_header, true);
   ParsedQuicVersionVector parsed_versions;
   for (QuicTransportVersion version : all_versions) {
     parsed_versions.push_back(ParsedQuicVersion(PROTOCOL_QUIC_CRYPTO, version));