diff --git a/.github/scripts/macos/increment-version.ps1 b/.github/scripts/macos/increment-version.ps1
index 40e2a236ad..bba3d5ce3f 100644
--- a/.github/scripts/macos/increment-version.ps1
+++ b/.github/scripts/macos/increment-version.ps1
@@ -2,6 +2,7 @@
 $packagePath = "$rootPath\package.json";
 $buildNumber = 100 + [int]$env:GITHUB_RUN_NUMBER;
 Write-Output "Setting build number to $buildNumber";
+Write-Output "::set-env name=BUILD_NUMBER::$buildNumber";
 $package = Get-Content -Raw -Path $packagePath | ConvertFrom-Json;
 $package.build | Add-Member -MemberType NoteProperty -Name buildVersion -Value "$buildNumber";
 $package | ConvertTo-Json -Depth 32 | Set-Content $packagePath;