1 files changed, 2 insertions, 58 deletions
diff --git a/libical/zoneinfo/America/Mexico_City.ics b/libical/zoneinfo/America/Mexico_City.ics
index 85e67eb4e3..c6df61f470 100644
--- a/libical/zoneinfo/America/Mexico_City.ics
+++ b/libical/zoneinfo/America/Mexico_City.ics
@@ -2,69 +2,13 @@ BEGIN:VCALENDAR
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 VERSION:2.0
 BEGIN:VTIMEZONE
-TZID:/softwarestudio.org/Olson_20011022_4/America/Mexico_City
+TZID:/softwarestudio.org/Olson_20011030_5/America/Mexico_City
 X-LIC-LOCATION:America/Mexico_City
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 TZOFFSETTO:-0600
 TZNAME:CST
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+DTSTART:19700101T000000
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 END:VCALENDAR