diff --git a/release/windows/build-qt.ps1 b/release/windows/build-qt.ps1
index 476cbf9ba..bc2c980c8 100644
--- a/release/windows/build-qt.ps1
+++ b/release/windows/build-qt.ps1
@@ -10,7 +10,7 @@ $global:QtDeps = @(
 
 function global:Build-Qt([string] $PrefixDir, [string] $Arch, [string] $DepsPrefixDir) {
     $Filename = "qt-everywhere-src-${QtVersion}.zip" # tar.xz has some names truncated (e.g. .../double-conversion.h -> .../double-conv)
-    $Url = "http://download.qt.io/archive/qt/$($QtVersion -replace '\.\d+$', '')/${QtVersion}/single/${Filename}"
+    $Url = "http://qt.mirror.constant.com/archive/qt/$($QtVersion -replace '\.\d+$', '')/${QtVersion}/single/${Filename}"
 
     $ArchiveBase = "qt-everywhere-src-${QtVersion}"
     $UnpackFlags = @(