diff --git a/docker/host-app/build.gradle.kts b/docker/host-app/build.gradle.kts
index 5940855..b4430f0 100644
--- a/docker/host-app/build.gradle.kts
+++ b/docker/host-app/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.2.5"
+    id("org.springframework.boot") version "4.0.6"
     id("io.spring.dependency-management") version "1.1.7"
 }