diff --git a/runtime/syntax/zig.yaml b/runtime/syntax/zig.yaml
index 5edd97fa..78ebc701 100644
--- a/runtime/syntax/zig.yaml
+++ b/runtime/syntax/zig.yaml
@@ -1,7 +1,7 @@
 filetype: zig
 
 detect:
-    filename: "\\.zig$"
+    filename: "\\.(zig|zon)$"
 
 rules:
       # Reserved words