diff --git a/Haskell.gitignore b/Haskell.gitignore
index 33ab4f681c04bd34b72df33bc715d6ac474ae081..cc14307694341c9943be3d0edfe4a126a755eed9 100644
--- a/Haskell.gitignore
+++ b/Haskell.gitignore
@@ -6,3 +6,6 @@ cabal-dev
 *.chs.h
 .virthualenv
 .hsenv
+.cabal-sandbox/
+cabal.sandbox.config
+cabal.config