diff --git a/build.gradle b/build.gradle
index 8777749..7875229 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.51'
+    ext.kotlin_version = '1.3.72'
     
     repositories {
         maven{ url rootProject.file("repo-local") }
@@ -10,7 +10,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:4.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         classpath 'com.novoda:bintray-release:0.9.2'
diff --git a/demo_component_kt/build.gradle b/demo_component_kt/build.gradle
index 638a157..3cd9161 100644
--- a/demo_component_kt/build.gradle
+++ b/demo_component_kt/build.gradle
@@ -22,7 +22,7 @@ android {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "com.android.support:appcompat-v7:${rootProject.supportVersion}"
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index fb215cf..c74c5c6 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Sep 06 10:25:29 CST 2018
+#Fri May 14 08:09:17 CST 2021
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip