diff --git a/build.gradle b/build.gradle
index 0234980654..8d49b8472d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -199,10 +199,10 @@ configure(allprojects) { project ->
 			}
 			dependency "io.mockk:mockk:1.10.0"
 
-			dependency("net.sourceforge.htmlunit:htmlunit:2.41.0") {
+			dependency("net.sourceforge.htmlunit:htmlunit:2.42.0") {
 				exclude group: "commons-logging", name: "commons-logging"
 			}
-			dependency("org.seleniumhq.selenium:htmlunit-driver:2.41.0") {
+			dependency("org.seleniumhq.selenium:htmlunit-driver:2.42.0") {
 				exclude group: "commons-logging", name: "commons-logging"
 			}
 			dependency("org.seleniumhq.selenium:selenium-java:3.141.59") {
@@ -333,7 +333,7 @@ configure([rootProject] + javaProjects) { project ->
 	}
 
 	checkstyle {
-		toolVersion = "8.33"
+		toolVersion = "8.34"
 		configDirectory.set(rootProject.file("src/checkstyle"))
 	}
 
diff --git a/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/ControllerMethodResolver.java b/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/ControllerMethodResolver.java
index 7063267742..f35b8c9897 100644
--- a/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/ControllerMethodResolver.java
+++ b/spring-webflux/src/main/java/org/springframework/web/reactive/result/method/annotation/ControllerMethodResolver.java
@@ -83,7 +83,7 @@ class ControllerMethodResolver {
 					AnnotatedElementUtils.hasAnnotation(method, ModelAttribute.class));
 
 
-	private static Log logger = LogFactory.getLog(ControllerMethodResolver.class);
+	private static final Log logger = LogFactory.getLog(ControllerMethodResolver.class);
 
 	private final List<SyncHandlerMethodArgumentResolver> initBinderResolvers;
 
@@ -95,14 +95,12 @@ class ControllerMethodResolver {
 
 	private final ReactiveAdapterRegistry reactiveAdapterRegistry;
 
-
 	private final Map<Class<?>, Set<Method>> initBinderMethodCache = new ConcurrentHashMap<>(64);
 
 	private final Map<Class<?>, Set<Method>> modelAttributeMethodCache = new ConcurrentHashMap<>(64);
 
 	private final Map<Class<?>, ExceptionHandlerMethodResolver> exceptionHandlerCache = new ConcurrentHashMap<>(64);
 
-
 	private final Map<ControllerAdviceBean, Set<Method>> initBinderAdviceCache = new LinkedHashMap<>(64);
 
 	private final Map<ControllerAdviceBean, Set<Method>> modelAttributeAdviceCache = new LinkedHashMap<>(64);
diff --git a/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java b/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java
index 7173a4cbb7..7dd9fde259 100644
--- a/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java
+++ b/spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java
@@ -189,7 +189,6 @@ public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter
 	@Nullable
 	private ConfigurableBeanFactory beanFactory;
 
-
 	private final Map<Class<?>, SessionAttributesHandler> sessionAttributesHandlerCache = new ConcurrentHashMap<>(64);
 
 	private final Map<Class<?>, Set<Method>> initBinderCache = new ConcurrentHashMap<>(64);