diff --git a/cereal b/cereal
index bdbac40160..fa3e77b7c8 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit bdbac40160a550c88e481a3bf700a1016901bd9b
+Subproject commit fa3e77b7c8eee8752f19427b34adcb1ae5c70ec5
diff --git a/selfdrive/locationd/ublox_msg.cc b/selfdrive/locationd/ublox_msg.cc
index 3ff768ba06..877ace9a06 100644
--- a/selfdrive/locationd/ublox_msg.cc
+++ b/selfdrive/locationd/ublox_msg.cc
@@ -213,6 +213,7 @@ kj::Array<capnp::word> UbloxMsgParser::parse_gps_ephemeris(ubx_t::rxm_sfrbx_t *m
       eph.setAf1(subframe_1->af_1() * pow(2, -43));
       eph.setAf0(subframe_1->af_0() * pow(2, -31));
       eph.setSvHealth(subframe_1->sv_health());
+      eph.setTowCount(subframe.how()->tow_count());
       iodc_lsb = subframe_1->iodc_lsb();
     }
 
diff --git a/selfdrive/test/process_replay/ref_commit b/selfdrive/test/process_replay/ref_commit
index 2c66c7075c..f98caa80a7 100644
--- a/selfdrive/test/process_replay/ref_commit
+++ b/selfdrive/test/process_replay/ref_commit
@@ -1 +1 @@
-7c2a98f4a94b6dded6a90d8913ab85a63069c186
\ No newline at end of file
+d862b2c7d383d859db30d6c1cc665c29c7a2a9f3
\ No newline at end of file