diff --git a/project/app/build-template.gradle b/project/app/build-template.gradle
index f41b4be44..8e8f87800 100644
--- a/project/app/build-template.gradle
+++ b/project/app/build-template.gradle
@@ -5,7 +5,7 @@ plugins {
 android {
     compileSdkVersion 30
     buildToolsVersion "30.0.3"
-    ndkVersion "22.0.7026061"
+    ndkVersion "22.1.7171670"
 
     defaultConfig {
         applicationId "net.olofson.ballfield"
diff --git a/project/build.gradle b/project/build.gradle
index 4d24be2c6..23136ba55 100644
--- a/project/build.gradle
+++ b/project/build.gradle
@@ -2,10 +2,10 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.1.1"
+        classpath "com.android.tools.build:gradle:4.2.0"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,7 +15,8 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
+        jcenter() // Warning: this repository is going to shut down soon
     }
 }
 
diff --git a/project/gradle/wrapper/gradle-wrapper.properties b/project/gradle/wrapper/gradle-wrapper.properties
index 7374117da..4b7ae9a8b 100644
--- a/project/gradle/wrapper/gradle-wrapper.properties
+++ b/project/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Dec 31 22:38:03 EET 2020
+#Fri May 07 22:56:42 EEST 2021
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
+zipStoreBase=GRADLE_USER_HOME