diff --git a/.gitignore b/.gitignore
index 5fbc6a1f3..5ccaad563 100644
--- a/.gitignore
+++ b/.gitignore
@@ -88,3 +88,5 @@ targets/*
 #sys/lib/npm-package/build/nethack.js
 #sys/lib/npm-package/build/nethack.wasm
 *.user
+util/*.lib
+util/*.exp