diff --git a/bin/utils b/bin/utils
index a57d54e..eff6bf0 100755
--- a/bin/utils
+++ b/bin/utils
@@ -68,7 +68,7 @@ deep-rm() {
   # subshell to avoid surprising caller with shopts.
   (
     shopt -s dotglob
-    rm -rf "$1"/!(tmp|.|..)
+    rm -rf "$1"/!(.curlrc|.netrc|tmp|.|..)
   )
 }