diff --git a/samples/expenses/pom.xml b/samples/expenses/pom.xml
index 2af82f3..6668dbc 100644
--- a/samples/expenses/pom.xml
+++ b/samples/expenses/pom.xml
@@ -7,7 +7,7 @@
   <version>0.1.0.BUILD-SNAPSHOT</version>
   <name>expenses</name>
   <properties>
-    <gwt.version>2.2.0</gwt.version>
+    <gwt.version>2.3.0</gwt.version>
     <roo.version>1.1.0.RELEASE</roo.version>
     <spring.version>3.0.3.RELEASE</spring.version>
     <slf4j.version>1.6.1</slf4j.version>
diff --git a/tools/scripts/maven_script.sh b/tools/scripts/maven_script.sh
index b8a2958..a7770f2 100755
--- a/tools/scripts/maven_script.sh
+++ b/tools/scripts/maven_script.sh
@@ -15,7 +15,7 @@
 # the License.
 
 MAVEN_REPO=${MAVEN_REPO:-"~/.m2/repository"}
-GWT_VERSION=${GWT_VERSION:-"2.2.0"}
+GWT_VERSION=${GWT_VERSION:-"2.3.0"}
 GWT_DIR=${GWT_DIR:-"build/lib"}
 
 echo "Pushing GWT jars from ${GWT_DIR} into local maven repo with version ${GWT_VERSION}."