diff --git a/src/conf/checkstyle.xml b/src/conf/checkstyle.xml
index 0b79c22dc..a0a79964f 100644
--- a/src/conf/checkstyle.xml
+++ b/src/conf/checkstyle.xml
@@ -17,8 +17,8 @@ limitations under the License.
 -->
 
 <!DOCTYPE module PUBLIC
-      "-//Checkstyle//DTD Checkstyle Configuration 1.2//EN"
-      "https://checkstyle.org/dtds/configuration_1_2.dtd">
+      "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
+      "https://checkstyle.org/dtds/configuration_1_3.dtd">
 
 <!-- Apache Commons Collections customization of default Checkstyle behavior -->
 <module name="Checker">