diff --git a/app/build.gradle b/app/build.gradle
index 3471a6f..9044b7f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,6 +17,10 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
 }
 
 dependencies {
diff --git a/build.gradle b/build.gradle
index 196ca21..3c46188 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,4 +24,4 @@ allprojects {
         }
         maven { url 'https://jitpack.io' }
     }
-}
\ No newline at end of file
+}
diff --git a/jitpack.yml b/jitpack.yml
new file mode 100644
index 0000000..3fb9c69
--- /dev/null
+++ b/jitpack.yml
@@ -0,0 +1,2 @@
+jdk:
+ - openjdk11
diff --git a/parser/build.gradle b/parser/build.gradle
index b936b80..b43955e 100644
--- a/parser/build.gradle
+++ b/parser/build.gradle
@@ -22,6 +22,10 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
 }
 
 dependencies {