diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
index c954cec..11213b0 100644
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.3.9/apache-maven-3.3.9-bin.zip
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip
diff --git a/build.gradle b/build.gradle
index 09f1083..d0d660b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("org.springframework.boot:spring-boot-gradle-plugin:2.0.2.RELEASE")
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:3.3.5")
     }
 }
 
@@ -14,19 +14,21 @@ apply plugin: 'org.springframework.boot'
 apply plugin: 'io.spring.dependency-management'
 
 bootJar {
-    baseName = 'gs-spring-boot'
-    version =  '0.1.0'
+    archiveBaseName = 'gs-spring-boot'
+    archiveVersion = '0.1.0'
 }
 
 repositories {
     mavenCentral()
 }
 
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = 21
+targetCompatibility = 21
 
 dependencies {
-    compile("org.springframework.boot:spring-boot-starter-web")
-    testCompile("junit:junit")
+    implementation("org.springframework.boot:spring-boot-starter-web")
+    implementation("org.springframework.boot:spring-boot-starter-jdbc")
+    implementation("com.h2database:h2")
+    testImplementation("junit:junit")
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index a2ff3cc..0a55694 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip
diff --git a/pom.xml b/pom.xml
index 63f5cbd..cb90ba8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,21 +5,16 @@
 
     <groupId>org.springframework</groupId>
     <artifactId>gs-spring-boot</artifactId>
-    <packaging>pom</packaging>
+    <packaging>jar</packaging>
     <version>0.1.0</version>
 
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.0.2.RELEASE</version>
+        <version>3.3.5</version>
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-properties-migrator</artifactId>
-            <scope>runtime</scope>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
@@ -35,7 +30,7 @@
     </dependencies>
 
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>21</java.version>
     </properties>
 
 
diff --git a/src/main/java/hello/Application.java b/src/main/java/hello/Application.java
index 7cf8faf..d857e00 100644
--- a/src/main/java/hello/Application.java
+++ b/src/main/java/hello/Application.java
@@ -5,18 +5,14 @@
 import java.util.stream.Collectors;
 
 import hello.model.Customer;
-import hello.model.Quote;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.web.client.RestTemplateBuilder;
 import org.springframework.context.ApplicationContext;
-import org.springframework.context.annotation.Bean;
 import org.springframework.jdbc.core.JdbcTemplate;
-import org.springframework.web.client.RestTemplate;
 
 @SpringBootApplication
 public class Application implements CommandLineRunner {
@@ -35,24 +31,6 @@ public static void main(String[] args) {
             System.out.println(beanName);
         }
 
-        RestTemplate restTemplate =  new RestTemplate();
-        Quote quote = restTemplate.getForObject("http://gturnquist-quoters.cfapps.io/api/random", Quote.class);
-        log.info(quote.toString());
-    }
-
-
-    @Bean
-    public RestTemplate restTemplate(RestTemplateBuilder builder) {
-        return builder.build();
-    }
-
-    @Bean
-    public CommandLineRunner run(RestTemplate restTemplate) throws Exception {
-        return args -> {
-            Quote quote = restTemplate.getForObject(
-                    "http://gturnquist-quoters.cfapps.io/api/random", Quote.class);
-            log.info(quote.toString());
-        };
     }
 
 
@@ -63,7 +41,7 @@ public CommandLineRunner run(RestTemplate restTemplate) throws Exception {
     public void run(String... args) throws Exception {
         log.info("Creating tables");
 
-        jdbcTemplate.execute("DROP TABLE customers IF EXISTS");
+        jdbcTemplate.execute("DROP TABLE IF EXISTS customers");
         jdbcTemplate.execute("CREATE TABLE customers(id SERIAL, first_name VARCHAR(255), last_name VARCHAR(255))");
 
         // Split up the array of whole names into an array of first/last names
@@ -80,8 +58,9 @@ public void run(String... args) throws Exception {
 
         log.info("Querying for customer records where first_name = 'Josh':");
         jdbcTemplate.query(
-                "SELECT id, first_name, last_name FROM customers WHERE first_name = ?", new Object[]{"Josh"},
-                (rs, rowNum) -> new Customer(rs.getLong("id"), rs.getString("first_name"), rs.getString("last_name"))
+                "SELECT id, first_name, last_name FROM customers WHERE first_name = ?",
+                (rs, rowNum) -> new Customer(rs.getLong("id"), rs.getString("first_name"), rs.getString("last_name")),
+                "Josh"
         ).forEach(customer -> log.info(customer.toString()));
 
     }