diff --git a/app/build.gradle b/app/build.gradle
index cbbb3b8a..c01c6f32 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -26,8 +26,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 }
 
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index 0e6511c0..e4a3a065 100644
Binary files a/jar/custom_spider.jar and b/jar/custom_spider.jar differ
diff --git a/jar/custom_spider.jar.md5 b/jar/custom_spider.jar.md5
index 2bd3c724..c2029fbd 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-debe17d2daafb0cc953ddb0034e1fa12
+dc15e22025ea87f5fdfad864e3b99529