diff --git a/build.gradle b/build.gradle
index fcebbf0..1bc3ed0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,21 +8,21 @@
 	mainClass = project.hasProperty("mainClass") ? project.getProperty("mainClass") : defaultMainClassName;
 }
 
-compileJava {
-	sourceCompatibility = "1.8";
-	targetCompatibility = "1.8";
+java {
+	sourceCompatibility = "17";
+	targetCompatibility = "17";
 }
 
 repositories {
 
 	mavenCentral()
 
-		// since the Jasper devs keep using their own custom builds of ancient
-		// versions of other projects we need to add a repository for their
-		// "special" versions.
-		maven {
-			url "https://jaspersoft.jfrog.io/jaspersoft/third-party-ce-artifacts/"
-		}
+	// since the Jasper devs keep using their own custom builds of ancient
+	// versions of other projects we need to add a repository for their
+	// "special" versions.
+	maven {
+		url "https://jaspersoft.jfrog.io/jaspersoft/third-party-ce-artifacts/"
+	}
 }
 
 dependencies {
@@ -33,6 +33,11 @@
 	implementation group: "javax.xml.bind", name: "jaxb-api", version: "2.3.1";
 	implementation group: "org.slf4j", name: "slf4j-api", version: "2.0.7";
 	implementation group: "ch.qos.logback", name: "logback-classic", version: "1.4.7";
+	implementation group: "io.github.resilience4j", name: "resilience4j-retry", version: "2.0.2";
+	implementation group: "io.github.resilience4j", name: "resilience4j-circuitbreaker", version: "2.0.2";
+
+	testImplementation group: 'com.icegreen', name: 'greenmail', version: '2.0.0'
+
 }
 
 project.configurations.implementation.setCanBeResolved(true)
@@ -53,7 +58,7 @@
 	description = "Copy all dependencies into a 'libs' folder in the root of the project.";
 
 	from configurations.implementation
-		into 'libs/'
+	into 'libs/'
 }
 
 tasks.register("createMissingSourceDirs") {