diff --git a/build/gen-hanzi-data/patched-hanzi-writer.ts b/build/gen-hanzi-data/patched-hanzi-writer.ts
index 60e78557c6ed711a75a0aa05d78a783b0c2c3dd9..2e8c10284e96b8137e4e2306374b8b9e2f3d848d 100644
--- a/build/gen-hanzi-data/patched-hanzi-writer.ts
+++ b/build/gen-hanzi-data/patched-hanzi-writer.ts
@@ -179,6 +179,14 @@ const hanziWriterOverrides = new Map<string, Partial<HanziWriterData>>(
         ),
         -20, 0
       )
+    ),
+    // not defined
+    牜: animDataTranslate(
+      animDataSlice(
+        loadHanziWriterDataWithoutOverridesSync('特'),
+        0, 4
+      ),
+      200, 0
     )
   })
 )