diff --git a/source-data/gisaid_geoLocationRules.tsv b/source-data/gisaid_geoLocationRules.tsv
index 862d6bca..b8476ef8 100644
--- a/source-data/gisaid_geoLocationRules.tsv
+++ b/source-data/gisaid_geoLocationRules.tsv
@@ -10034,6 +10034,7 @@ Asia/South Korea/Chungcheongnam-do/	Asia/South Korea/Chungcheongnam/Chungcheongn
 Asia/South Korea/Uijeongbu/	Asia/South Korea/Gyeonggi Province/Uijeongbu
 Asia/South Korea/Gwanju/*	Asia/South Korea/Gwangju/*
 Asia/South Korea/Jeonbuk/*	Asia/South Korea/North Jeolla/*
+Asia/Korea/Youngin-Si/*	Asia/South Korea/Youngin-Si/*
 Asia/Kuwait/Hawali/	Asia/Kuwait/Kuwait/Hawali
 Asia/Kuwait/Dasman/	Asia/Kuwait/Kuwait/Dasman
 Asia/Kuwait/Kuwait City/	Asia/Kuwait/Al Asimah/Kuwait City