diff --git a/build.gradle b/build.gradle
index 60a3ce8..6e4fb60 100755
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.android.tools.build:gradle:4.1.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -25,11 +25,11 @@ allprojects {
 }
 
 ext {
-    compileSdkVersion = 27
-    buildToolsVersion = "27.0.3"
+    compileSdkVersion = 30
+    buildToolsVersion = "30.0.2"
     supportLibVersion = "27.1.1"
-    junitVersion = "4.12"
-    mockitoVersion = "2.18.3"
+    junitVersion = "4.13"
+    mockitoVersion = "2.19.0"
 }
 
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c564c82..3d1bbb1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun Aug 12 17:17:23 IDT 2018
+#Wed Nov 18 09:35:17 CET 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
diff --git a/threadposter/build.gradle b/threadposter/build.gradle
index 30e8197..f5c9adf 100755
--- a/threadposter/build.gradle
+++ b/threadposter/build.gradle
@@ -36,11 +36,11 @@ ext {
 
 android {
     compileSdkVersion rootProject.ext.compileSdkVersion
-    buildToolsVersion "27.0.3"
+    buildToolsVersion "30.0.2"
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 28
+        targetSdkVersion 30
         versionCode 4
         versionName "0.8.3"
     }