diff --git a/sql/gen_win_tzname_data.ps1 b/sql/gen_win_tzname_data.ps1
index c0a37d21895..474ab889d25 100644
--- a/sql/gen_win_tzname_data.ps1
+++ b/sql/gen_win_tzname_data.ps1
@@ -4,6 +4,7 @@
 
 write-output  "/* This file  was generated using gen_win_tzname_data.ps1 */"
 $xdoc = new-object System.Xml.XmlDocument
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
 $xdoc.load("https://raw.githubusercontent.com/unicode-org/cldr/master/common/supplemental/windowsZones.xml")
 $nodes = $xdoc.SelectNodes("//mapZone[@territory='001']") # use default territory (001)
 foreach ($node in $nodes) {
diff --git a/sql/win_tzname_data.h b/sql/win_tzname_data.h
index 03197227f8e..792cdbc7a13 100644
--- a/sql/win_tzname_data.h
+++ b/sql/win_tzname_data.h
@@ -12,6 +12,7 @@
 {L"US Mountain Standard Time","America/Phoenix"},
 {L"Mountain Standard Time (Mexico)","America/Chihuahua"},
 {L"Mountain Standard Time","America/Denver"},
+{L"Yukon Standard Time","America/Whitehorse"},
 {L"Central America Standard Time","America/Guatemala"},
 {L"Central Standard Time","America/Chicago"},
 {L"Easter Island Standard Time","Pacific/Easter"},