diff --git a/Haskell.gitignore b/Haskell.gitignore
index 48fe6f3e41537fa9b1514b0de9b48a28c5f345e5..cdc3c4dce76c1940dec8f943f4f1f89f83a7844b 100644
--- a/Haskell.gitignore
+++ b/Haskell.gitignore
@@ -13,3 +13,4 @@ cabal.sandbox.config
 *.prof
 *.aux
 *.hp
+.stack-work/