diff --git a/build.gradle b/build.gradle
index 1ea819dec..49561ad13 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,11 +1,11 @@
 buildscript {
-    ext.kotlin_version = '1.3.21'
+    ext.kotlin_version = '1.3.60'
     repositories {
         jcenter()
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
     }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9f2fd9103..44855d45b 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Jan 28 18:51:00 EST 2019
+#Thu Dec 26 12:52:51 EST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/src/all/mangaplus/build.gradle b/src/all/mangaplus/build.gradle
index d2df6de6b..292301732 100644
--- a/src/all/mangaplus/build.gradle
+++ b/src/all/mangaplus/build.gradle
@@ -11,7 +11,7 @@ ext {
 }
 
 dependencies {
-    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.13.0'
+    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-runtime:0.14.0'
     compileOnly 'com.google.code.gson:gson:2.8.2'
     compileOnly project(':duktape-stub')
 }