diff --git a/MANIFEST.in b/MANIFEST.in
index 1aba38f6..16ff599b 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
 include LICENSE
+global-exclude *.py[cdo]
diff --git a/win/build_all.ps1 b/win/build_all.ps1
index 3040cf97..3e9d5927 100644
--- a/win/build_all.ps1
+++ b/win/build_all.ps1
@@ -23,9 +23,12 @@ if (-not $pack) {
     }
 
 } else {
-    gci $dist\*.whl | Remove-Item -Force
+    gci $dist\*.whl, $dist\*.zip | Remove-Item -Force
 
     (gci $packages\python* -Directory) | %{ gi $_\tools\python.exe } | ?{ Test-Path $_ } | select -last 1 | %{
+        Write-Host "Building sdist with $_"
+        & $_ setup.py sdist -d "$dist" --formats zip
+
         Write-Host "Building wheel with $_"
         & $_ setup.py build -b "$bin" -t "$obj" bdist_wheel -d "$dist"
         gci $dist\ptvsd-*.whl | %{
@@ -35,5 +38,6 @@ if (-not $pack) {
             Remove-Item $_
         }
     }
+
 }