diff --git a/build/build-all.ps1 b/build/build-all.ps1
index 16f8bf037c..f0b2f398db 100644
--- a/build/build-all.ps1
+++ b/build/build-all.ps1
@@ -6,6 +6,8 @@ $full = $args[0]
 
 Write-Host $solutionPaths
 
+dotnet workload install wasm-tools
+
 foreach ($solutionPath in $solutionPaths) {    
     $solutionAbsPath = (Join-Path $rootFolder $solutionPath)
     Set-Location $solutionAbsPath