Update dependencies.

build.gradle

@@ -25,11 +25,11 @@ repositories.mavenCentral()
 
 dependencies {
     compile group: 'com.google.code.findbugs', name: 'jsr305', version: '3.0.1'
-    compile group: 'com.google.auto.value', name: 'auto-value', version: '1.2'
+    compile group: 'com.google.auto.value', name: 'auto-value', version: '1.3'
     compile group: 'com.google.guava', name:'guava', version: '19.0'
 
     testCompile group: 'junit', name: 'junit', version: '4.12'
-    testCompile group: 'org.mockito', name: 'mockito-core', version: '1.10.19'
+    testCompile group: 'org.mockito', name: 'mockito-core', version: '2.2.7'
     testCompile group: 'com.google.jimfs', name: 'jimfs', version: '1.1'
 }