diff --git a/build.gradle b/build.gradle
index 21ee4136..abac967f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,10 +1,11 @@
 buildscript {
     repositories {
         google()
+        jcenter()
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.android.tools.build:gradle:3.5.3'
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index 1272d72e..fddff901 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,9 +11,3 @@
 # The setting is particularly useful for tweaking memory settings.
 # Default value: -Xmx10248m -XX:MaxPermSize=256m
 # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
-
-# When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
-android.enableR8=true
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 8a534a22..88037fb4 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Mar 15 09:19:02 CET 2017
+#Sun Feb 09 15:35:10 AEDT 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip