diff --git a/dynamic-motion/build.gradle b/dynamic-motion/build.gradle
index 3679c22..c7bfd2a 100644
--- a/dynamic-motion/build.gradle
+++ b/dynamic-motion/build.gradle
@@ -30,6 +30,11 @@ android {
     sourceSets {
         main.res.srcDirs 'res'
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {