diff --git a/config.pbtxt b/config.pbtxt
index e96fe3b..8c17c19 100644
--- a/config.pbtxt
+++ b/config.pbtxt
@@ -119,7 +119,7 @@ parameters: [
   
   {
     key: "quantization",
-    value: {string_value: "int8"}
+    value: {string_value: "int4"}
   }
 ]