diff --git a/config/clients/java/template/libraries/native/JSON.mustache b/config/clients/java/template/libraries/native/JSON.mustache
index a13bf2fd..b2940bc6 100644
--- a/config/clients/java/template/libraries/native/JSON.mustache
+++ b/config/clients/java/template/libraries/native/JSON.mustache
@@ -24,11 +24,12 @@ public class JSON {
   private ObjectMapper mapper;
 
   public JSON() {
-    mapper = new ObjectMapper();
+    mapper = JsonMapper.builder()
+        .configure(MapperFeature.ALLOW_COERCION_OF_SCALARS, false)
+        .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true)
+        .configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, true)
+        .build();
     mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-    mapper.configure(MapperFeature.ALLOW_COERCION_OF_SCALARS, false);
-    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true);
-    mapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, true);
     mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
     mapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
     mapper.enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING);