diff --git a/README.md b/README.md
index 14475e0..9cc487b 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,5 @@ NOTES:
 
 See [CONTRIBUTING.md](CONTRIBUTING.md) for development environment setup instructions.
 
+Tooling note:
+* Gradle is configured with Java Toolchains and will automatically download a Java 21 JDK when needed during builds.
diff --git a/gradle.properties b/gradle.properties
index 39b064a..03c3c87 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,3 @@
 version=0.2.2-SNAPSHOT
+org.gradle.java.installations.auto-download=true
 
diff --git a/settings.gradle b/settings.gradle
index d1569b5..3997377 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,5 @@
+plugins {
+	id 'org.gradle.toolchains.foojay-resolver-convention' version '0.9.0'
+}
+
 rootProject.name = 'ScoreKeeper'