diff --git a/Shake.hs b/Shake.hs
index f9903b368..bab108106 100755
--- a/Shake.hs
+++ b/Shake.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
-{- stack exec --verbosity info
+{- stack exec --verbosity=info --stack-yaml=stack8.0.yaml
    --package base-prelude
    --package directory
    --package extra