diff --git a/poc-algorithms/pom.xml b/poc-algorithms/pom.xml
index 69585ebd8..613f73003 100644
--- a/poc-algorithms/pom.xml
+++ b/poc-algorithms/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1</version>
         <relativePath /> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/poc-mongodb-redis-cache/mongodb-redis-integration/pom.xml b/poc-mongodb-redis-cache/mongodb-redis-integration/pom.xml
index eb7c07d94..3f10452c3 100644
--- a/poc-mongodb-redis-cache/mongodb-redis-integration/pom.xml
+++ b/poc-mongodb-redis-cache/mongodb-redis-integration/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>4.0.0</version>
+		<version>4.0.1</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/poc-mongodb-redis-cache/reactive-mongodb-redis-integration/pom.xml b/poc-mongodb-redis-cache/reactive-mongodb-redis-integration/pom.xml
index e9511754f..ec25e7252 100644
--- a/poc-mongodb-redis-cache/reactive-mongodb-redis-integration/pom.xml
+++ b/poc-mongodb-redis-cache/reactive-mongodb-redis-integration/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>4.0.0</version>
+		<version>4.0.1</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/poc-reactive-learning/pom.xml b/poc-reactive-learning/pom.xml
index 47ef53635..1f19a5704 100644
--- a/poc-reactive-learning/pom.xml
+++ b/poc-reactive-learning/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/poc-rest-api/spring-boot-rest-webflux/pom.xml b/poc-rest-api/spring-boot-rest-webflux/pom.xml
index dd53effa5..0c61bad37 100644
--- a/poc-rest-api/spring-boot-rest-webflux/pom.xml
+++ b/poc-rest-api/spring-boot-rest-webflux/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.0.1</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/poc-rest-api/spring-boot-rest-webmvc/pom.xml b/poc-rest-api/spring-boot-rest-webmvc/pom.xml
index fe08a3517..4414d01e7 100644
--- a/poc-rest-api/spring-boot-rest-webmvc/pom.xml
+++ b/poc-rest-api/spring-boot-rest-webmvc/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.8</version>
+        <version>3.5.9</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>