diff --git a/complete/pom.xml b/complete/pom.xml
index b4401ee..2451ac9 100644
--- a/complete/pom.xml
+++ b/complete/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.3.1</version>
+        <version>3.4.0</version>
     </parent>
 
     <dependencies>
diff --git a/initial/pom.xml b/initial/pom.xml
index 7c24fd5..536bd79 100644
--- a/initial/pom.xml
+++ b/initial/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.3.1</version>
+        <version>3.4.0</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>org.springframework</groupId>