diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index 65adefc7f26871..1237c394c18a71 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -276,7 +276,7 @@ function GetDotNetInstallScript([string] $dotnetRoot) {
   if ($shouldDownload) {
     Create-Directory $dotnetRoot
     $ProgressPreference = 'SilentlyContinue' # Don't display the console progress UI - it's a huge perf hit
-    $uri = "https://builds.dotnet.microsoft.com/dotnet/scripts/$dotnetInstallScriptVersion/dotnet-install.ps1"
+    $uri = "https://raw.githubusercontent.com/dotnet/install-scripts/9c8552ae791982d3674fbb4d6ad887e536e7f506/src/dotnet-install.ps1"
 
     Retry({
       Write-Host "GET $uri"
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 95c55ce9b4d914..87a69aa2c2a25c 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -304,7 +304,7 @@ function with_retries {
 function GetDotNetInstallScript {
   local root=$1
   local install_script="$root/dotnet-install.sh"
-  local install_script_url="https://builds.dotnet.microsoft.com/dotnet/scripts/$dotnetInstallScriptVersion/dotnet-install.sh"
+  local install_script_url="https://raw.githubusercontent.com/dotnet/install-scripts/9c8552ae791982d3674fbb4d6ad887e536e7f506/src/dotnet-install.sh"
   local timestamp_file="$root/.dotnet-install.timestamp"
   local should_download=false