diff --git a/.gitignore b/.gitignore
index 0147c137..94ff062f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,8 @@
 cabal.sandbox.config
 dist
 results.xml
+dist-newstyle
+.stack-work
 
 # don't check in generated documentation
 #docs/CryptolPrims.pdf