diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafAutoConfiguration.java
index cbe75645ad..823e75e5a2 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@ import java.util.LinkedHashMap;
 import javax.servlet.DispatcherType;
 
 import com.github.mxab.thymeleaf.extras.dataattribute.dialect.DataAttributeDialect;
-import nz.net.ultraq.thymeleaf.LayoutDialect;
+import nz.net.ultraq.thymeleaf.layoutdialect.LayoutDialect;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.thymeleaf.dialect.IDialect;
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafReactiveAutoConfigurationTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafReactiveAutoConfigurationTests.java
index f243e78d27..b8af5c3adc 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafReactiveAutoConfigurationTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafReactiveAutoConfigurationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,8 +20,8 @@ import java.io.File;
 import java.util.Collections;
 import java.util.Locale;
 
-import nz.net.ultraq.thymeleaf.LayoutDialect;
-import nz.net.ultraq.thymeleaf.decorators.strategies.GroupingRespectLayoutTitleStrategy;
+import nz.net.ultraq.thymeleaf.layoutdialect.LayoutDialect;
+import nz.net.ultraq.thymeleaf.layoutdialect.decorators.strategies.GroupingStrategy;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.thymeleaf.TemplateEngine;
@@ -219,7 +219,7 @@ class ThymeleafReactiveAutoConfigurationTests {
 		this.contextRunner.withUserConfiguration(LayoutDialectConfiguration.class)
 				.run((context) -> assertThat(
 						ReflectionTestUtils.getField(context.getBean(LayoutDialect.class), "sortingStrategy"))
-								.isInstanceOf(GroupingRespectLayoutTitleStrategy.class));
+								.isInstanceOf(GroupingStrategy.class));
 	}
 
 	@Configuration(proxyBeanMethods = false)
@@ -227,7 +227,7 @@ class ThymeleafReactiveAutoConfigurationTests {
 
 		@Bean
 		LayoutDialect layoutDialect() {
-			return new LayoutDialect(new GroupingRespectLayoutTitleStrategy());
+			return new LayoutDialect(new GroupingStrategy());
 		}
 
 	}
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafServletAutoConfigurationTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafServletAutoConfigurationTests.java
index fe5e153c2c..aca83cdff0 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafServletAutoConfigurationTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafServletAutoConfigurationTests.java
@@ -24,8 +24,8 @@ import java.util.Map;
 
 import javax.servlet.DispatcherType;
 
-import nz.net.ultraq.thymeleaf.LayoutDialect;
-import nz.net.ultraq.thymeleaf.decorators.strategies.GroupingRespectLayoutTitleStrategy;
+import nz.net.ultraq.thymeleaf.layoutdialect.LayoutDialect;
+import nz.net.ultraq.thymeleaf.layoutdialect.decorators.strategies.GroupingStrategy;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.thymeleaf.TemplateEngine;
@@ -303,7 +303,7 @@ class ThymeleafServletAutoConfigurationTests {
 		this.contextRunner.withUserConfiguration(LayoutDialectConfiguration.class)
 				.run((context) -> assertThat(
 						ReflectionTestUtils.getField(context.getBean(LayoutDialect.class), "sortingStrategy"))
-								.isInstanceOf(GroupingRespectLayoutTitleStrategy.class));
+								.isInstanceOf(GroupingStrategy.class));
 	}
 
 	@Test
@@ -320,7 +320,7 @@ class ThymeleafServletAutoConfigurationTests {
 
 		@Bean
 		LayoutDialect layoutDialect() {
-			return new LayoutDialect(new GroupingRespectLayoutTitleStrategy());
+			return new LayoutDialect(new GroupingStrategy());
 		}
 
 	}
diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index dcff5710f2..b9885bef73 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1764,7 +1764,7 @@ bom {
 			]
 		}
 	}
-	library("Thymeleaf Layout Dialect", "2.5.3") {
+	library("Thymeleaf Layout Dialect", "3.0.0") {
 		group("nz.net.ultraq.thymeleaf") {
 			modules = [
 				"thymeleaf-layout-dialect"