diff --git a/MANIFEST.in b/MANIFEST.in
index 40b2ef5d7..38850bf3a 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -15,6 +15,7 @@ graft depends
 graft winbuild
 graft docs
 prune docs/_static
+prune Tests
 
 # build/src control detritus
 exclude .appveyor.yml