diff --git a/database/builder/makedb.sh b/database/builder/makedb.sh
index 8d2f66a..8a79df2 100755
--- a/database/builder/makedb.sh
+++ b/database/builder/makedb.sh
@@ -12,7 +12,7 @@ mkdir -p timezone
 
 (
 echo https://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/cultural/ne_10m_admin_0_countries_lakes.zip -o /dev/null -O naturalearth/ne.zip
-echo https://github.com/evansiroky/timezone-boundary-builder/releases/download/2022f/timezones-with-oceans.shapefile.zip -o /dev/null -O timezone/tz.zip
+echo https://github.com/evansiroky/timezone-boundary-builder/releases/download/2023b/timezones-with-oceans.shapefile.zip -o /dev/null -O timezone/tz.zip
 ) | xargs -n5 -P2 wget
 
 cd naturalearth
diff --git a/database/builder/zoneToAlpha.h b/database/builder/zoneToAlpha.h
index dd3e4c7..f4a11b9 100644
--- a/database/builder/zoneToAlpha.h
+++ b/database/builder/zoneToAlpha.h
@@ -29,6 +29,7 @@ result["America/Argentina/San_Luis"] = "AR";
 result["America/Argentina/Rio_Gallegos"] = "AR";
 result["America/Argentina/Ushuaia"] = "AR";
 result["America/Nuuk"] = "GL";
+result["America/Ciudad_Juarez"] = "MX";
 result["Pacific/Pago_Pago"] = "AS";
 result["Europe/Vienna"] = "AT";
 result["Australia/Lord_Howe"] = "AU";