diff --git a/ziglint.json b/ziglint.json
index 59a80ee..ad6eabf 100644
--- a/ziglint.json
+++ b/ziglint.json
@@ -1,5 +1,6 @@
 {
     "max_line_length": 120,
     "check_format": true,
+    "dupe_import": true,
     "exclude": ["/testcases/"]
 }
\ No newline at end of file