diff --git a/pom.xml b/pom.xml
index 7a717f7..c4ad3b8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>imerljak</groupId>
   <artifactId>portalunico.siscomex.gov.br</artifactId>
-  <version>1.0.1</version>
+  <version>1.0.2</version>
   <name>PortalUnicoSiscomex</name>
   <description>Classes da API do Portal Único de Comércio Exterior, a nova forma de interação entre as empresas privadas e os diversos órgãos públicos intervenientes no comércio exterior.</description>
   <url>https://val.portalunico.siscomex.gov.br/docs/api/</url>
@@ -12,6 +12,7 @@
   <properties>
   	<maven.compiler.source>1.7</maven.compiler.source>
   	<maven.compiler.target>1.7</maven.compiler.target>
+      <project.build.sourceEncoding>ISO-8859-1</project.build.sourceEncoding>
   </properties>
   <dependencies>
   	<dependency>
diff --git a/src/main/java/br/gov/siscomex/portalunico/cct/consultardocumentotransporteespecifico/Ra.java b/src/main/java/br/gov/siscomex/portalunico/cct/consultardocumentotransporteespecifico/Ra.java
index 159aae5..a4fdf24 100644
--- a/src/main/java/br/gov/siscomex/portalunico/cct/consultardocumentotransporteespecifico/Ra.java
+++ b/src/main/java/br/gov/siscomex/portalunico/cct/consultardocumentotransporteespecifico/Ra.java
@@ -3,9 +3,8 @@
 
 import com.google.gson.annotations.Expose;
 import com.google.gson.annotations.SerializedName;
-import org.apache.commons.lang.builder.EqualsBuilder;
-import org.apache.commons.lang.builder.HashCodeBuilder;
-import org.apache.commons.lang.builder.ToStringBuilder;
+
+import java.util.Objects;
 
 public class Ra {
 
@@ -34,24 +33,23 @@ public void setDescricao(String descricao) {
 
     @Override
     public String toString() {
-        return new ToStringBuilder(this).append("codigo", codigo).append("descricao", descricao).toString();
+        return "Ra{" +
+                "codigo='" + codigo + '\'' +
+                ", descricao='" + descricao + '\'' +
+                '}';
     }
 
     @Override
-    public int hashCode() {
-        return new HashCodeBuilder().append(codigo).append(descricao).toHashCode();
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Ra ra = (Ra) o;
+        return Objects.equals(codigo, ra.codigo) &&
+                Objects.equals(descricao, ra.descricao);
     }
 
     @Override
-    public boolean equals(Object other) {
-        if (other == this) {
-            return true;
-        }
-        if ((other instanceof Ra) == false) {
-            return false;
-        }
-        Ra rhs = ((Ra) other);
-        return new EqualsBuilder().append(codigo, rhs.codigo).append(descricao, rhs.descricao).isEquals();
+    public int hashCode() {
+        return Objects.hash(codigo, descricao);
     }
-
 }