diff --git a/.travis.yml b/.travis.yml
index b5b39f91..b169ed99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ jdk: oraclejdk8
 install: true # remove default
 script:
   - mvn -q clean install -Pno-network
-  - jdk_switcher use openjdk6
+  - jdk_switcher use openjdk7
   - cd core
   - mvn -q clean package -Pno-network
 
diff --git a/core/pom.xml b/core/pom.xml
index fb122c28..c422d551 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -116,8 +116,8 @@
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <source>1.6</source>
-                    <target>1.6</target>
+                    <source>1.7</source>
+                    <target>1.7</target>
                 </configuration>
             </plugin>