diff --git a/hledger/test/timedot.test b/hledger/test/timedot.test
index 0f1eccd3fc0d..8d8579094060 100644
--- a/hledger/test/timedot.test
+++ b/hledger/test/timedot.test
@@ -80,9 +80,10 @@ $ hledger -ftimedot:- print
 
 >=
 
-# ** 5. XXX check this
-$ hledger --version
+# ** 5. XXX and this
+$ stack --stack-yaml stack9.4.yaml exec -- ghc-pkg list megaparsec
+
 
 # ** 6. XXX and this
-$ stack exec -- ghc-pkg list megaparsec parser-combinators
+$ stack --stack-yaml stack9.4.yaml exec -- ghc-pkg list parser-combinators