diff --git a/gwtp-core/gwtp-crawler/pom.xml b/gwtp-core/gwtp-crawler/pom.xml
index 6ccb64a9b8..34ccd23616 100644
--- a/gwtp-core/gwtp-crawler/pom.xml
+++ b/gwtp-core/gwtp-crawler/pom.xml
@@ -33,7 +33,7 @@
     <dependencies>
         <dependency>
             <groupId>javax.servlet</groupId>
-            <artifactId>servlet-api</artifactId>
+            <artifactId>javax.servlet-api</artifactId>
         </dependency>
 
         <!-- DI dependencies -->
diff --git a/gwtp-core/pom.xml b/gwtp-core/pom.xml
index 9ebdf5bcce..07b84815b6 100644
--- a/gwtp-core/pom.xml
+++ b/gwtp-core/pom.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
+    <properties>
+        <jsr305.version>3.0.1</jsr305.version>
+    </properties>
 
     <parent>
         <groupId>com.gwtplatform</groupId>
@@ -48,7 +51,7 @@
                     <includes>**/*GwtTest.java,**/*GwtTestSuite.java</includes>
                     <mode>htmlunit</mode>
                     <testTimeOut>180</testTimeOut>
-                    <sourceLevel>${target.jdk}</sourceLevel>
+                    <sourceLevel>auto</sourceLevel>
                 </configuration>
                 <executions>
                     <execution>
@@ -90,6 +93,10 @@
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.google.code.findbugs</groupId>
+            <artifactId>jsr305</artifactId>
+        </dependency>
     </dependencies>
 
     <dependencyManagement>
@@ -222,7 +229,7 @@
             <!-- Standard Java extension jars -->
             <dependency>
                 <groupId>javax.servlet</groupId>
-                <artifactId>servlet-api</artifactId>
+                <artifactId>javax.servlet-api</artifactId>
                 <version>${servlet-api.version}</version>
             </dependency>
             <dependency>
@@ -251,6 +258,12 @@
                 <version>${velocity.version}</version>
             </dependency>
 
+            <dependency>
+                <groupId>com.google.code.findbugs</groupId>
+                <artifactId>jsr305</artifactId>
+                <version>${jsr305.version}</version>
+            </dependency>
+
             <!-- Test dependencies -->
             <dependency>
                 <groupId>org.jukito</groupId>
diff --git a/gwtp-crawler-service/pom.xml b/gwtp-crawler-service/pom.xml
index 3fc0e2be92..00c6e942aa 100644
--- a/gwtp-crawler-service/pom.xml
+++ b/gwtp-crawler-service/pom.xml
@@ -82,7 +82,7 @@
     <dependencies>
         <dependency>
             <groupId>javax.servlet</groupId>
-            <artifactId>servlet-api</artifactId>
+            <artifactId>javax.servlet-api</artifactId>
             <version>${servlet-api.version}</version>
         </dependency>
         <dependency>
diff --git a/gwtp-crawler-service/src/main/java/com/gwtplatform/crawlerservice/server/guice/CrawlServiceModule.java b/gwtp-crawler-service/src/main/java/com/gwtplatform/crawlerservice/server/guice/CrawlServiceModule.java
index a6c4f0f6e1..8e6af02750 100644
--- a/gwtp-crawler-service/src/main/java/com/gwtplatform/crawlerservice/server/guice/CrawlServiceModule.java
+++ b/gwtp-crawler-service/src/main/java/com/gwtplatform/crawlerservice/server/guice/CrawlServiceModule.java
@@ -34,6 +34,6 @@ public void configureServlets() {
     @Singleton
     @Provides
     WebClient getWebClient() {
-        return new WebClient(BrowserVersion.FIREFOX_24);
+        return new WebClient(BrowserVersion.FIREFOX_38);
     }
 }
diff --git a/pom.xml b/pom.xml
index 829877d2bd..a57571ff88 100644
--- a/pom.xml
+++ b/pom.xml
@@ -224,14 +224,14 @@
     </modules>
 
     <properties>
-        <target.jdk>1.6</target.jdk>
+        <target.jdk>1.7</target.jdk>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <gwt.style>OBF</gwt.style>
         <maven-site-plugin.skip>false</maven-site-plugin.skip>
 
         <!-- Maven -->
-        <gwt-maven-plugin.version>2.7.0</gwt-maven-plugin.version>
+        <gwt-maven-plugin.version>2.8.0</gwt-maven-plugin.version>
         <maven-checkstyle-plugin.version>2.15</maven-checkstyle-plugin.version>
         <checkstyle.version>6.4.1</checkstyle.version>
         <arcbees-checkstyle.version>1.2</arcbees-checkstyle.version>
@@ -249,24 +249,24 @@
         <maven-release-plugin.version>2.5.1</maven-release-plugin.version>
 
         <!-- Client -->
-        <gwt.version>2.7.0</gwt.version>
+        <gwt.version>2.8.0</gwt.version>
         <!-- when you update the gwt version please also update the dtds in all gwt.xml files -->
         <gin.version>2.1.2</gin.version>
-        <gwt-jackson.version>0.9.0</gwt-jackson.version>
+        <gwt-jackson.version>0.14.1</gwt-jackson.version>
 
         <!-- Server -->
         <jax-rs.version>1.1.1</jax-rs.version>
         <cglib.version>2.2</cglib.version>
-        <gae.version>1.9.7</gae.version>
+        <gae.version>1.9.48</gae.version>
         <guice.version>3.0</guice.version>
         <javax.inject.version>1</javax.inject.version>
-        <guava.version>18.0</guava.version>
+        <guava.version>19.0</guava.version>
         <objectify.version>5.0.2</objectify.version>
         <persistence-api.version>1.0</persistence-api.version>
-        <servlet-api.version>2.5</servlet-api.version>
+        <servlet-api.version>3.1.0</servlet-api.version>
         <spring.version>4.0.5.RELEASE</spring.version>
         <velocity.version>1.7</velocity.version>
-        <htmlunit.version>2.15</htmlunit.version>
+        <htmlunit.version>2.19</htmlunit.version>
 
         <!-- Testing -->
         <jukito.version>1.4.1</jukito.version>