diff --git a/README.adoc b/README.adoc
index ce45448..699139f 100644
--- a/README.adoc
+++ b/README.adoc
@@ -4,9 +4,10 @@ https://spring.io/projects/spring-ws[Spring Web Services] is a product of the Sp
 document-driven, contract-first Web services. This repository contains sample
 projects illustrating usage of Spring Web Services.
 
-== Spring Boot 3.0.x + Spring WS 4.0.x
+== Spring Boot 3.5.x + Spring WS 4.1.x
 
-This version of the samples focuses on Spring WS 4.0.x, the generation provided by Spring Boot 3 up to Spring Boot 3.4.
+This version of the samples focuses on Spring WS 4.1.x, the generation provided by Spring Boot 3.5
+For samples on Spring WS 4.0.x, check the `2.0.x` branch.
 
 == Sample Applications
 
diff --git a/airline/client/axis1/pom.xml b/airline/client/axis1/pom.xml
index 882b69a..ed373e9 100644
--- a/airline/client/axis1/pom.xml
+++ b/airline/client/axis1/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>airline-client-axis1</artifactId>
diff --git a/airline/client/jax-ws/pom.xml b/airline/client/jax-ws/pom.xml
index 3c672b6..b16ab78 100644
--- a/airline/client/jax-ws/pom.xml
+++ b/airline/client/jax-ws/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>airline-client-jax-ws</artifactId>
diff --git a/airline/client/jms/pom.xml b/airline/client/jms/pom.xml
index 05af173..da17131 100644
--- a/airline/client/jms/pom.xml
+++ b/airline/client/jms/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>airline-client-jms</artifactId>
diff --git a/airline/client/saaj/pom.xml b/airline/client/saaj/pom.xml
index cf7b438..5e3eba8 100644
--- a/airline/client/saaj/pom.xml
+++ b/airline/client/saaj/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>airline-client-saaj</artifactId>
diff --git a/airline/client/spring-ws/pom.xml b/airline/client/spring-ws/pom.xml
index f97a610..5869033 100644
--- a/airline/client/spring-ws/pom.xml
+++ b/airline/client/spring-ws/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>airline-client-spring-ws</artifactId>
diff --git a/airline/server/pom.xml b/airline/server/pom.xml
index f38b613..c0ba80c 100644
--- a/airline/server/pom.xml
+++ b/airline/server/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>airline-server</artifactId>
diff --git a/echo/client/saaj/pom.xml b/echo/client/saaj/pom.xml
index 9a961e0..b658e5d 100644
--- a/echo/client/saaj/pom.xml
+++ b/echo/client/saaj/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>echo-client-saaj</artifactId>
diff --git a/echo/client/spring-ws/pom.xml b/echo/client/spring-ws/pom.xml
index eef23a6..6da4204 100644
--- a/echo/client/spring-ws/pom.xml
+++ b/echo/client/spring-ws/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>echo-client-spring-ws</artifactId>
diff --git a/echo/server/pom.xml b/echo/server/pom.xml
index 49fa9d2..3a1f790 100644
--- a/echo/server/pom.xml
+++ b/echo/server/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>echo-server</artifactId>
diff --git a/mtom/client/spring-ws/pom.xml b/mtom/client/spring-ws/pom.xml
index 5c84f7d..1cc763f 100644
--- a/mtom/client/spring-ws/pom.xml
+++ b/mtom/client/spring-ws/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../../pom.xml</relativePath>
 	</parent>
 	<artifactId>mtom-client-spring-ws</artifactId>
diff --git a/mtom/server/pom.xml b/mtom/server/pom.xml
index 21da980..88a3148 100644
--- a/mtom/server/pom.xml
+++ b/mtom/server/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>mtom-server</artifactId>
diff --git a/pom.xml b/pom.xml
index 60494a2..1eac4d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,12 +6,12 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.4.3</version>
+		<version>3.5.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 	<groupId>org.springframework.ws</groupId>
 	<artifactId>spring-ws-samples</artifactId>
-	<version>2.0.0-SNAPSHOT</version>
+	<version>2.1.0-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>Spring Web Services Samples</name>
 	<organization>
diff --git a/tutorial/pom.xml b/tutorial/pom.xml
index 7389717..a0c7bf9 100644
--- a/tutorial/pom.xml
+++ b/tutorial/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.ws</groupId>
 		<artifactId>spring-ws-samples</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
+		<version>2.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	<artifactId>tutorial</artifactId>