diff --git a/contracts/.gitignore b/contracts/.gitignore
index 088ba6ba..4f895d7f 100644
--- a/contracts/.gitignore
+++ b/contracts/.gitignore
@@ -8,3 +8,5 @@ Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
+
+out/