diff --git a/sync-versions.hs b/sync-versions.hs
index eccf58721..3fec57df5 100755
--- a/sync-versions.hs
+++ b/sync-versions.hs
@@ -1,5 +1,5 @@
 #!/usr/bin/env stack
--- stack runghc --package libyaml
+-- stack runghc --package libyaml --package aeson --package unordered-containers --package text
 
 {-# LANGUAGE OverloadedStrings
            , LambdaCase