diff --git a/car-rental/pom.xml b/car-rental/pom.xml
index a32c037..964ac92 100644
--- a/car-rental/pom.xml
+++ b/car-rental/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.1.1-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/eureka/pom.xml b/eureka/pom.xml
index 2bfacd3..f608d32 100644
--- a/eureka/pom.xml
+++ b/eureka/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.1.1-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
diff --git a/fraud-detection/pom.xml b/fraud-detection/pom.xml
index b6e10cc..517ab29 100644
--- a/fraud-detection/pom.xml
+++ b/fraud-detection/pom.xml
@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.0-SNAPSHOT</version>
+		<version>3.1.1-SNAPSHOT</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>