diff --git a/checkstyle/project.xml b/checkstyle/project.xml
index d441f832..f77c95e4 100644
--- a/checkstyle/project.xml
+++ b/checkstyle/project.xml
@@ -148,7 +148,7 @@
     <dependency>
       <groupId>checkstyle</groupId>
       <artifactId>checkstyle</artifactId>
-      <version>4.1</version>
+      <version>4.3</version>
       <properties>
         <classloader>root</classloader>
       </properties>
@@ -156,7 +156,7 @@
     <dependency>
       <groupId>checkstyle</groupId>
       <artifactId>checkstyle-optional</artifactId>
-      <version>4.1</version>
+      <version>4.3</version>
       <properties>
         <classloader>root</classloader>
       </properties>
diff --git a/checkstyle/xdocs/changes.xml b/checkstyle/xdocs/changes.xml
index e3f8e142..4d5fea90 100644
--- a/checkstyle/xdocs/changes.xml
+++ b/checkstyle/xdocs/changes.xml
@@ -27,6 +27,7 @@
     <release version="3.1-SNAPSHOT" date="In SVN">
       <action dev="aheritier" type="update">Replace XML icon by RSS one for feeds.</action>
       <action dev="aheritier" type="update">Upgrade antlr dependency to version 2.7.6.</action>
+      <action dev="ltheussl" type="update" issue="MPCHECKSTYLE-56" due-to="Dion Gillard">Upgrade to checkstyle 4.3.</action>
     </release>
     <release version="3.0.1" date="2006-03-26">
       <action dev="ltheussl" type="fix" issue="MPCHECKSTYLE-52">The links to source xref files does not honor