diff --git a/runtime/Swift/.gitignore b/runtime/Swift/.gitignore
index c54511205..e4a84b226 100644
--- a/runtime/Swift/.gitignore
+++ b/runtime/Swift/.gitignore
@@ -1 +1,4 @@
+.build/
+Antlr4.xcodeproj/
+Tests/Antlr4Tests/gen/
 xcuserdata/