diff --git a/build.gradle b/build.gradle
index 7418c2e8f..547372966 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,57 +1,46 @@
-/*
- * Hello Minecraft! Launcher.
- * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see {http://www.gnu.org/licenses/}.
- */
-
-group 'org.jackhuang'
-version '3.0'
-
-buildscript {
-    repositories {
-        jcenter()
-    }
-    dependencies {
-        classpath 'org.tukaani:xz:1.8'
-    }
-}
-
-
-subprojects {
-    apply plugin: 'java'
-    apply plugin: 'idea'
-
-    repositories {
-        mavenCentral()
-        jcenter()
-
-        maven { url 'https://jitpack.io' }
-    }
-
-	sourceCompatibility = 1.8
-    compileJava.options.encoding = "UTF-8"
-    compileTestJava.options.encoding = "UTF-8"
-
-    dependencies {
-        compile group: 'com.google.code.gson', name: 'gson', version: '2.8.5'
-        compile group: 'org.tukaani', name: 'xz', version: '1.8'
-        compile group: 'org.hildan.fxgson', name: 'fx-gson', version: '3.1.0'
-        compile group: 'org.jenkins-ci', name: 'constant-pool-scanner', version: '1.2'
-        compile group: 'com.github.steveice10', name: 'opennbt', version: '1.1'
-
-        testCompile group: 'junit', name: 'junit', version: '4.12'
-    }
-
-}
+buildscript {
+    repositories {
+        jcenter()
+        maven { url 'https://plugins.gradle.org/m2/' }
+    }
+    dependencies {
+        classpath 'org.tukaani:xz:1.8'
+        classpath 'gradle.plugin.com.hierynomus.gradle.plugins:license-gradle-plugin:0.15.0'
+    }
+}
+
+group 'org.jackhuang'
+version '3.0'
+
+subprojects {
+    apply plugin: 'java'
+    apply plugin: 'idea'
+    apply plugin: 'com.github.hierynomus.license'
+
+    repositories {
+        mavenCentral()
+        jcenter()
+
+        maven { url 'https://jitpack.io' }
+    }
+
+    sourceCompatibility = 1.8
+    compileJava.options.encoding = "UTF-8"
+    compileTestJava.options.encoding = "UTF-8"
+
+    dependencies {
+        compile group: 'com.google.code.gson', name: 'gson', version: '2.8.5'
+        compile group: 'org.tukaani', name: 'xz', version: '1.8'
+        compile group: 'org.hildan.fxgson', name: 'fx-gson', version: '3.1.0'
+        compile group: 'org.jenkins-ci', name: 'constant-pool-scanner', version: '1.2'
+        compile group: 'com.github.steveice10', name: 'opennbt', version: '1.1'
+
+        testCompile group: 'junit', name: 'junit', version: '4.12'
+    }
+
+    license {
+        header rootProject.file('license-header.txt')
+        strictCheck true
+        ext.year = Calendar.getInstance().get(Calendar.YEAR)
+    }
+}
diff --git a/license-header.txt b/license-header.txt
new file mode 100644
index 000000000..b3ce7882d
--- /dev/null
+++ b/license-header.txt
@@ -0,0 +1,15 @@
+Hello Minecraft! Launcher
+Copyright (C) ${year}  huangyuhui <huanghongxun2008@126.com> and contributors
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.