diff --git a/complete/bookstore/pom.xml b/complete/bookstore/pom.xml
index b988c29..7ef3f4e 100644
--- a/complete/bookstore/pom.xml
+++ b/complete/bookstore/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.0</version>
+		<version>3.4.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
diff --git a/complete/reading/pom.xml b/complete/reading/pom.xml
index 44ab4e5..c45e6db 100644
--- a/complete/reading/pom.xml
+++ b/complete/reading/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.0</version>
+		<version>3.4.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -15,7 +15,7 @@
 	<description>Demo project for Spring Boot</description>
 	<properties>
 		<java.version>17</java.version>
-		<spring-cloud.version>2023.0.2</spring-cloud.version>
+		<spring-cloud.version>2024.0.0</spring-cloud.version>
 	</properties>
 	<dependencies>
 		<dependency>
diff --git a/initial/bookstore/pom.xml b/initial/bookstore/pom.xml
index b988c29..7ef3f4e 100644
--- a/initial/bookstore/pom.xml
+++ b/initial/bookstore/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.0</version>
+		<version>3.4.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
diff --git a/initial/reading/pom.xml b/initial/reading/pom.xml
index 44ab4e5..c45e6db 100644
--- a/initial/reading/pom.xml
+++ b/initial/reading/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.0</version>
+		<version>3.4.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -15,7 +15,7 @@
 	<description>Demo project for Spring Boot</description>
 	<properties>
 		<java.version>17</java.version>
-		<spring-cloud.version>2023.0.2</spring-cloud.version>
+		<spring-cloud.version>2024.0.0</spring-cloud.version>
 	</properties>
 	<dependencies>
 		<dependency>