diff --git a/example-app/pom.xml b/example-app/pom.xml
index c40d204..15cb131 100644
--- a/example-app/pom.xml
+++ b/example-app/pom.xml
@@ -16,6 +16,16 @@
         <maven.compiler.source>21</maven.compiler.source>
         <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <spring.boot.version>3.4.0</spring.boot.version>
+        <slf4j.version>2.0.16</slf4j.version>
+        <h2.version>2.3.232</h2.version>
+        <junit-jupiter.version>5.11.4</junit-jupiter.version>
+        <projectreactor.version>3.7.1</projectreactor.version>
+        <jackson.version>2.18.2</jackson.version>
+        <httpclient5.version>5.4.1</httpclient5.version>
+        <bouncycastle.version>1.79</bouncycastle.version>
+        <mysql-connector.version>9.1.0</mysql-connector.version>
     </properties>
 
     <dependencies>
@@ -28,51 +38,51 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>3.3.4</version>
+            <version>${spring.boot.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
-            <version>3.3.4</version>
+            <version>${spring.boot.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>2.0.16</version>
+            <version>${slf4j.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>2.3.232</version>
+            <version>${h2.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.11.2</version>
+            <version>${junit-jupiter.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-params</artifactId>
-            <version>5.11.2</version>
+            <version>${junit-jupiter.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.11.2</version>
+            <version>${junit-jupiter.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-webflux</artifactId>
-            <version>3.3.4</version>
+            <version>${spring.boot.version}</version>
         </dependency>
 
         <!-- Spring Boot Starter Test (includes JUnit 5, WebTestClient, etc.) -->
@@ -80,7 +90,7 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
-            <version>3.3.4</version>
+            <version>${spring.boot.version}</version>
             <exclusions>
                 <!-- Exclude JUnit Vintage Engine to use JUnit 5 only -->
                 <exclusion>
@@ -95,44 +105,44 @@
             <groupId>io.projectreactor</groupId>
             <artifactId>reactor-test</artifactId>
             <scope>test</scope>
-            <version>3.6.10</version>
+            <version>${projectreactor.version}</version>
         </dependency>
 
         <!--        Need a mysql driver dependency -->
         <dependency>
             <groupId>com.mysql</groupId>
             <artifactId>mysql-connector-j</artifactId>
-            <version>9.0.0</version>
+            <version>${mysql-connector.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.18.0</version> <!-- or a later version -->
+            <version>${jackson.version}</version> <!-- or a later version -->
         </dependency>
 
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.18.0</version> <!-- or a later version -->
+            <version>${jackson.version}</version> <!-- or a later version -->
         </dependency>
 
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
-            <version>2.18.0</version> <!-- or a later version -->
+            <version>${jackson.version}</version> <!-- or a later version -->
         </dependency>
 
         <dependency>
             <groupId>org.apache.httpcomponents.client5</groupId>
             <artifactId>httpclient5</artifactId>
-            <version>5.4</version>
+            <version>${httpclient5.version}</version>
         </dependency>
 
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcpkix-jdk18on</artifactId>
-            <version>1.78.1</version>
+            <version>${bouncycastle.version}</version>
         </dependency>
 
     </dependencies>
@@ -149,7 +159,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.5.2</version>
                 <configuration>
                     <includes>
                         <include>**/*Test.java</include>
@@ -161,7 +171,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
-                <version>3.2.2</version>
+                <version>3.4.2</version>
                 <configuration>
                     <archive>
                         <manifest>
@@ -176,7 +186,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>3.3.4</version>
+                <version>${spring.boot.version}</version>
                 <executions>
                     <execution>
                         <goals>
@@ -220,7 +230,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.5.2</version>
                 <executions>
                     <execution>
                         <goals>
diff --git a/example-app/src/main/resources/logback.xml b/example-app/src/main/resources/logback.xml
new file mode 100644
index 0000000..6a90a06
--- /dev/null
+++ b/example-app/src/main/resources/logback.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration scan="true" scanPeriod="300 seconds">
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+</configuration>
diff --git a/example-app/src/test/java/com/digicert/validation/client/PdnsClient.java b/example-app/src/test/java/com/digicert/validation/client/PdnsClient.java
index 9012c6d..1d35fdf 100644
--- a/example-app/src/test/java/com/digicert/validation/client/PdnsClient.java
+++ b/example-app/src/test/java/com/digicert/validation/client/PdnsClient.java
@@ -11,6 +11,7 @@
 import org.springframework.web.client.RestTemplate;
 
 import java.io.IOException;
+import java.net.URI;
 import java.util.List;
 
 @Service
@@ -25,14 +26,7 @@ public PdnsClient() {
                 .defaultHeader("X-API-Key", "secret")
                 .build();
         restTemplate.setRequestFactory(new HttpComponentsClientHttpRequestFactory());
-        restTemplate.setErrorHandler(new DefaultResponseErrorHandler() {
-            @Override
-            public void handleError(ClientHttpResponse response) throws IOException {
-                if (response.getStatusCode() != HttpStatus.NOT_FOUND) {
-                    super.handleError(response);
-                }
-            }
-        });
+        restTemplate.setErrorHandler(new Ignore404StatusResponseErrorHandler());
     }
 
     public void createLocalhostARecord(String domain) {
@@ -153,4 +147,20 @@ public enum PdnsRecordType {
         CNAME,
         A,
     }
+
+    static class Ignore404StatusResponseErrorHandler extends DefaultResponseErrorHandler {
+        @Override
+        public void handleError(URI url, HttpMethod method, ClientHttpResponse response) throws IOException {
+            if (response.getStatusCode() != HttpStatus.NOT_FOUND) {
+                super.handleError(url, method, response);
+            }
+        }
+
+        @Override
+        public void handleError(ClientHttpResponse response) throws IOException {
+            if (response.getStatusCode() != HttpStatus.NOT_FOUND) {
+                super.handleError(response);
+            }
+        }
+    }
 }
diff --git a/library/pom.xml b/library/pom.xml
index 41d8d53..4f870c4 100644
--- a/library/pom.xml
+++ b/library/pom.xml
@@ -45,17 +45,17 @@
     <!--     Dependency versions-->
         <commons-net.version>3.11.1</commons-net.version>
         <commons-lang3.version>3.17.0</commons-lang3.version>
-        <projectlombok.version>1.18.34</projectlombok.version>
+        <projectlombok.version>1.18.36</projectlombok.version>
         <dnsjava.version>3.6.2</dnsjava.version>
-        <httpcomponents.version>5.4</httpcomponents.version>
+        <httpcomponents.version>5.4.1</httpcomponents.version>
         <slf4j.version>2.0.16</slf4j.version>
-        <logback.version>1.5.9</logback.version>
-        <bouncycastle.version>1.78.1</bouncycastle.version>
+        <logback.version>1.5.13</logback.version>
+        <bouncycastle.version>1.79</bouncycastle.version>
         <guava.version>33.2.1-jre</guava.version>
-        <icu.version>75.1</icu.version>
+        <icu.version>76.1</icu.version>
     <!--    TEST versions -->
-        <mockito.version>5.14.1</mockito.version>
-        <jupiter.version>5.11.2</jupiter.version>
+        <mockito.version>5.14.2</mockito.version>
+        <jupiter.version>5.11.4</jupiter.version>
         <mock-server.version>5.15.0</mock-server.version>
         <sonar.coverage.jacoco.xmlReportPaths>./target/site/jacoco-aggregate/jacoco.xml</sonar.coverage.jacoco.xmlReportPaths>
     </properties>
@@ -174,7 +174,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.5.2</version>
             </plugin>
             <plugin>
                 <groupId>org.sonarsource.scanner.maven</groupId>
@@ -235,7 +235,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>3.2.1</version>
+                        <version>3.3.1</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>
@@ -250,7 +250,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.10.1</version>
+                        <version>3.11.2</version>
                         <configuration>
                             <source>21</source>
                             <show>private</show>
@@ -269,7 +269,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.2.6</version>
+                        <version>3.2.7</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>