diff --git a/proxy-server/build.gradle b/proxy-server/build.gradle
index 945eb1d..0a3fa4d 100644
--- a/proxy-server/build.gradle
+++ b/proxy-server/build.gradle
@@ -2,7 +2,7 @@ import org.springframework.boot.gradle.plugin.SpringBootPlugin
 
 plugins {
     id 'java-library'
-    id 'org.springframework.boot' version '3.3.1' apply false
+    id 'org.springframework.boot' version '3.3.5' apply false
 }
 
 apply plugin: 'io.spring.dependency-management'
diff --git a/proxy/build.gradle b/proxy/build.gradle
index 0d9dcdc..563f752 100644
--- a/proxy/build.gradle
+++ b/proxy/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-  id 'org.springframework.boot' version '3.3.1'
+  id 'org.springframework.boot' version '3.3.5'
 }
 
 apply plugin: 'io.spring.dependency-management'
diff --git a/starter-spring/build.gradle b/starter-spring/build.gradle
index ab45d14..e051cf1 100644
--- a/starter-spring/build.gradle
+++ b/starter-spring/build.gradle
@@ -2,7 +2,7 @@ import org.springframework.boot.gradle.plugin.SpringBootPlugin
 
 plugins {
   id 'java-library'
-  id 'org.springframework.boot' version '3.3.1' apply false
+  id 'org.springframework.boot' version '3.3.5' apply false
 }
 
 apply plugin: 'io.spring.dependency-management'