diff --git a/.travis.yml b/.travis.yml
index d933bff2..42d4dde8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,4 +2,4 @@
 sudo: false
 dist: trusty
 language: java
-jdk: openjdk7
+jdk: openjdk8
diff --git a/build.gradle b/build.gradle
index 596b5177..9293ca10 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,8 +33,8 @@ sourceSets {
 }
 
 compileJava {
-    sourceCompatibility '1.7'
-    targetCompatibility '1.7'
+    sourceCompatibility '1.8'
+    targetCompatibility '1.8'
     options.encoding = 'UTF-8'
 }