diff --git a/axmlprinter/build.gradle b/axmlprinter/build.gradle
index f3a60b2..06c39b4 100644
--- a/axmlprinter/build.gradle
+++ b/axmlprinter/build.gradle
@@ -2,5 +2,9 @@ description = 'android manifest content parser'
 apply plugin: 'java-library'
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+}
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }
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