diff --git a/build.gradle b/build.gradle
index 941b0460..aa45d0db 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,6 +41,12 @@ compileJava {
     options.encoding = 'UTF-8'
 }
 
+compileTestJava {
+    sourceCompatibility '1.8'
+    targetCompatibility '1.8'
+    options.encoding = 'UTF-8'
+}
+
 test {
     exclude 'de/schildbach/pte/live/**'
 }