diff --git a/captchaservice-backend/pom.xml b/captchaservice-backend/pom.xml
index b4fdc69e..748b2ceb 100644
--- a/captchaservice-backend/pom.xml
+++ b/captchaservice-backend/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.4.9</version>
+        <version>3.5.6</version>
         <relativePath />
     </parent>