diff --git a/build.gradle b/build.gradle
index 737e6b0..5ad8b07 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,9 +2,10 @@ plugins {
     id 'pmd'
     id 'checkstyle'
     id 'io.spring.dependency-management' version '1.1.0'
-    id 'org.springframework.boot' version '3.0.1'
+    id 'org.springframework.boot' version '3.1.0'
     id 'org.owasp.dependencycheck' version '8.2.1'
-    id 'com.github.ben-manes.versions' version '0.44.0'
+    id 'com.github.ben-manes.versions' version '0.46.0'
+    id 'se.patrikerdes.use-latest-versions' version '0.2.18'
     id 'java-library'
     id 'maven-publish'
     id 'au.com.dius.pact' version '4.6.0'
@@ -36,12 +37,12 @@ sourceSets {
 
 checkstyle {
     maxWarnings = 0
-    toolVersion = '8.18'
+    toolVersion = '10.12.0'
     configDirectory = new File(rootDir, 'config/checkstyle')
 }
 
 pmd {
-    toolVersion = "6.53.0"
+    toolVersion = "6.55.0"
     ignoreFailures = false
     sourceSets = [sourceSets.main, sourceSets.test, sourceSets.integrationTest]
     reportsDir = file("$project.buildDir/reports/pmd")
@@ -85,12 +86,12 @@ task printVersion {
 }
 
 task sourcesJar(type: Jar, dependsOn: classes) {
-    classifier = 'sources'
+    archiveClassifier = 'sources'
     from sourceSets.main.allSource
 }
 
 task javadocJar(type: Jar, dependsOn: javadoc) {
-    classifier = 'javadoc'
+    archiveClassifier = 'javadoc'
     from javadoc.destinationDir
 }
 
@@ -147,7 +148,7 @@ publishing {
 dependencies {
     implementation group: 'org.springframework.boot', name: 'spring-boot-starter-actuator'
     implementation group: 'org.springframework.cloud', name: 'spring-cloud-starter-openfeign', version: '4.0.3'
-    implementation group: 'io.github.openfeign', name: 'feign-jackson', version: '12.1'
+    implementation group: 'io.github.openfeign', name: 'feign-jackson', version: '12.3'
     implementation group: 'com.warrenstrange', name: 'googleauth', version: '1.5.0'
     implementation group: 'com.auth0', name: 'java-jwt', version: '4.4.0'
     implementation group: 'jakarta.servlet', name: 'jakarta.servlet-api', version: '6.0.0'
@@ -155,7 +156,7 @@ dependencies {
 
     testImplementation group: 'junit', name: 'junit', version: '4.13.2'
     testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.24.2'
-    testImplementation group: 'org.mockito', name: 'mockito-core', version: '4.11.0'
+    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.3.1'
 
 
     integrationTestImplementation sourceSets.main.runtimeClasspath
@@ -166,9 +167,9 @@ dependencies {
     contractTestImplementation group: 'au.com.dius.pact.consumer', name: 'junit5', version: '4.6.0'
     contractTestRuntimeOnly group: 'au.com.dius.pact.consumer', name: 'junit5', version: '4.6.0'
     contractTestImplementation group: 'org.springframework.boot', name: 'spring-boot-starter-test'
-    contractTestImplementation("org.junit.jupiter:junit-jupiter-api:5.9.1")
+    contractTestImplementation("org.junit.jupiter:junit-jupiter-api:5.9.3")
     contractTestRuntimeOnly ("org.junit.jupiter:junit-jupiter-engine:5.9.3")
-    contractTestImplementation('org.junit.jupiter:junit-jupiter-api:5.9.0')
+    contractTestImplementation('org.junit.jupiter:junit-jupiter-api:5.9.3')
 
     contractTestImplementation sourceSets.main.runtimeClasspath
     contractTestImplementation sourceSets.test.runtimeClasspath
diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index 706944e..df6ac30 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module PUBLIC
-        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
-        "https://checkstyle.org/dtds/configuration_1_3.dtd">
+  "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
+  "https://checkstyle.org/dtds/configuration_1_3.dtd">
 
 <!--
     Checkstyle configuration that checks the Google coding conventions from Google Java Style
@@ -21,18 +21,17 @@
   <property name="severity" value="warning"/>
 
   <property name="fileExtensions" value="java, properties, xml"/>
-  <!-- Excludes all 'module-info.java' files        -->
-  <!-- See https://checkstyle.org/config_filefilters.html -->
-  <module name="BeforeExecutionExclusionFileFilter">
-    <property name="fileNamePattern" value="module\-info\.java$"/>
-  </module>
-  <!-- Checks for whitespace                 -->
+  <!-- Checks for whitespace                               -->
   <!-- See http://checkstyle.sf.net/config_whitespace.html -->
   <module name="FileTabCharacter">
     <property name="eachLine" value="true"/>
   </module>
 
   <module name="SuppressWarningsFilter" />
+  <module name="LineLength">
+    <property name="max" value="120"/>
+    <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
+  </module>
   <module name="TreeWalker">
     <module name="UnusedImports"/>
     <module name="HideUtilityClassConstructor"/>
@@ -50,10 +49,6 @@
       <property name="allowByTailComment" value="true"/>
       <property name="allowNonPrintableEscapes" value="true"/>
     </module>
-    <module name="LineLength">
-      <property name="max" value="120"/>
-      <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
-    </module>
     <module name="AvoidStarImport"/>
     <module name="OneTopLevelClass"/>
     <module name="NoLineWrap"/>
@@ -79,7 +74,6 @@
     </module>
     <module name="WhitespaceAround">
       <property name="allowEmptyConstructors" value="true"/>
-      <property name="allowEmptyLambdas" value="true"/>
       <property name="allowEmptyMethods" value="true"/>
       <property name="allowEmptyTypes" value="true"/>
       <property name="allowEmptyLoops" value="true"/>
@@ -144,11 +138,6 @@
       <message key="name.invalidPattern"
                value="Parameter name ''{0}'' must match pattern ''{1}''."/>
     </module>
-    <module name="LambdaParameterName">
-      <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
-      <message key="name.invalidPattern"
-               value="Lambda parameter name ''{0}'' must match pattern ''{1}''."/>
-    </module>
     <module name="CatchParameterName">
       <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
       <message key="name.invalidPattern"
@@ -197,6 +186,7 @@
     <module name="AbbreviationAsWordInName">
       <property name="ignoreFinal" value="false"/>
       <property name="allowedAbbreviationLength" value="1"/>
+      <property name="allowedAbbreviations" value="API"/>
     </module>
     <module name="OverloadMethodsDeclarationOrder"/>
     <module name="VariableDeclarationUsageDistance"/>
@@ -241,13 +231,9 @@
                 value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>
     </module>
     <module name="JavadocMethod">
-      <property name="scope" value="nothing"/>
       <property name="allowMissingParamTags" value="true"/>
-      <property name="allowMissingThrowsTags" value="true"/>
       <property name="allowMissingReturnTag" value="true"/>
-      <property name="minLineCount" value="2"/>
       <property name="allowedAnnotations" value="Override, Test"/>
-      <property name="allowThrowsTagsForSubclasses" value="true"/>
     </module>
     <module name="MethodName">
       <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 943f0cb..c1962a7 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 5083229..37aef8d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 65dcd68..aeb74cb 100755
--- a/gradlew
+++ b/gradlew
@@ -85,9 +85,6 @@ done
 APP_BASE_NAME=${0##*/}
 APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
 
@@ -144,7 +141,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -152,7 +149,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -197,6 +194,10 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in
diff --git a/src/integrationTest/java/uk/gov/hmcts/reform/authorisation/ServiceAuthorisationApiTest.java b/src/integrationTest/java/uk/gov/hmcts/reform/authorisation/ServiceAuthorisationApiTest.java
index 500b660..f48b2ec 100644
--- a/src/integrationTest/java/uk/gov/hmcts/reform/authorisation/ServiceAuthorisationApiTest.java
+++ b/src/integrationTest/java/uk/gov/hmcts/reform/authorisation/ServiceAuthorisationApiTest.java
@@ -43,7 +43,7 @@
 @EnableAutoConfiguration
 @EnableConfigurationProperties()
 @TestPropertySource(properties = {
-        "idam.s2s-authorised.services=service1,service1",
+    "idam.s2s-authorised.services=service1,service1",
 })
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = IntegrationTestInitializer.class)