diff --git a/chapter-3/chapter-3-spring-rest-json/pom.xml b/chapter-3/chapter-3-spring-rest-json/pom.xml
index dc8c029d..b5213cd1 100644
--- a/chapter-3/chapter-3-spring-rest-json/pom.xml
+++ b/chapter-3/chapter-3-spring-rest-json/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.4</version>
+		<version>3.5.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.acme</groupId>
diff --git a/chapter-3/chapter-3-spring-webflux-rest-json/pom.xml b/chapter-3/chapter-3-spring-webflux-rest-json/pom.xml
index 00693180..593b6f37 100644
--- a/chapter-3/chapter-3-spring-webflux-rest-json/pom.xml
+++ b/chapter-3/chapter-3-spring-webflux-rest-json/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.4</version>
+		<version>3.5.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.acme</groupId>
diff --git a/chapter-4/chapter-4-spring-data-jpa/pom.xml b/chapter-4/chapter-4-spring-data-jpa/pom.xml
index 25d8da5d..dbb96278 100644
--- a/chapter-4/chapter-4-spring-data-jpa/pom.xml
+++ b/chapter-4/chapter-4-spring-data-jpa/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.4</version>
+		<version>3.5.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.acme</groupId>
diff --git a/chapter-4/chapter-4-spring-data-r2dbc/pom.xml b/chapter-4/chapter-4-spring-data-r2dbc/pom.xml
index 61a42da6..1c518c09 100644
--- a/chapter-4/chapter-4-spring-data-r2dbc/pom.xml
+++ b/chapter-4/chapter-4-spring-data-r2dbc/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.4</version>
+		<version>3.5.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.acme</groupId>
diff --git a/chapter-5/chapter-5-spring-cloud-events/pom.xml b/chapter-5/chapter-5-spring-cloud-events/pom.xml
index 0d838d7f..b12eb755 100644
--- a/chapter-5/chapter-5-spring-cloud-events/pom.xml
+++ b/chapter-5/chapter-5-spring-cloud-events/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.4</version>
+    <version>3.5.5</version>
     <relativePath />
   </parent>
 
diff --git a/chapter-5/chapter-5-spring-eventbus/pom.xml b/chapter-5/chapter-5-spring-eventbus/pom.xml
index a08f7b3d..d9d9c547 100644
--- a/chapter-5/chapter-5-spring-eventbus/pom.xml
+++ b/chapter-5/chapter-5-spring-eventbus/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.4</version>
+		<version>3.5.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.acme</groupId>
diff --git a/chapter-5/chapter-5-spring-kafka-streams/pom.xml b/chapter-5/chapter-5-spring-kafka-streams/pom.xml
index 2c4be6ca..2f1ff6c0 100644
--- a/chapter-5/chapter-5-spring-kafka-streams/pom.xml
+++ b/chapter-5/chapter-5-spring-kafka-streams/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.5.4</version>
+		<version>3.5.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>org.acme</groupId>