diff --git a/gradle.properties b/gradle.properties
index 9b51cd5..667b9df 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,7 +19,7 @@ org.gradle.daemon=true
 org.gradle.configureondemand=true
 org.gradle.parallel=true
 # 宸倖峙匯違効低議AndroidStudio井云催匯崑
-localGradlePluginVersion=3.0.1
+localGradlePluginVersion=4.2.1
 
 # 耽肝厚個^isModule ?議峙朔?俶勣泣似 "Sync Project" 梓泥
 # isModule頁^鹿撹蝕窟庁塀 ?才^怏周蝕窟庁塀 ?議俳算蝕購
diff --git a/lib_common/build.gradle b/lib_common/build.gradle
index 87eb2af..1c0838f 100644
--- a/lib_common/build.gradle
+++ b/lib_common/build.gradle
@@ -73,4 +73,7 @@ dependencies {
 //annotationProcessor
 annotationProcessor deps.dagger.android_support_compiler
 annotationProcessor deps.dagger.compiler
+
+ api 'javax.annotation:javax.annotation-api:1.3.2'
+ annotationProcessor("javax.annotation:javax.annotation-api:1.3.2")
 }
diff --git a/versions.gradle b/versions.gradle
index 4a8a289..4cde8d9 100644
--- a/versions.gradle
+++ b/versions.gradle
@@ -5,8 +5,8 @@
 ext.deps = [:]
 
 def versions = [:]
-versions.android_gradle_plugin = "3.0.1"
-versions.kotlin = "1.1.51"
+versions.android_gradle_plugin = "4.2.1"
+versions.kotlin = "1.3.10"
 versions.support = "27.0.2"
 versions.multidex = "1.0.2"
 versions.constraint_layout = "1.0.2"
@@ -69,7 +69,7 @@ deps.dagger = dagger
 
 
 def kotlin = [:]
-kotlin.stdlib = "org.jetbrains.kotlin:kotlin-stdlib-jre7:$versions.kotlin"
+kotlin.stdlib = "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$versions.kotlin"
 kotlin.test = "org.jetbrains.kotlin:kotlin-test-junit:$versions.kotlin"
 kotlin.plugin = "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
 deps.kotlin = kotlin
@@ -115,7 +115,7 @@ def addRepos(RepositoryHandler handler) {
 handler.mavenCentral()
 //Add the JitPack repository
 handler.maven { url "https://jitpack.io" }
- handler.maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
+ handler.maven{ url 'https://maven.aliyun.com/nexus/content/groups/public/'}
 }
 
 ext.addRepos = this.&addRepos
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://github.com/guiying712/AndroidModulePattern/compare/master...oneAcorn:AndroidModulePattern:master.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://github.com/guiying712/AndroidModulePattern/compare/master...oneAcorn:AndroidModulePattern:master.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>