diff --git a/src/backend/libs/ai-diligen-client-starter/pom.xml b/src/backend/libs/ai-diligen-client-starter/pom.xml
index 3adda87b..dbbad265 100644
--- a/src/backend/libs/ai-diligen-client-starter/pom.xml
+++ b/src/backend/libs/ai-diligen-client-starter/pom.xml
@@ -56,7 +56,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.1.6</version>
+                <version>3.3.5</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/src/backend/libs/ai-diligen-client/pom.xml b/src/backend/libs/ai-diligen-client/pom.xml
index 1cd60689..08a67078 100644
--- a/src/backend/libs/ai-diligen-client/pom.xml
+++ b/src/backend/libs/ai-diligen-client/pom.xml
@@ -159,7 +159,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.1.6</version>
+                <version>3.3.5</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/src/backend/libs/ai-mail-it/pom.xml b/src/backend/libs/ai-mail-it/pom.xml
index 1a7a883a..76afbde8 100644
--- a/src/backend/libs/ai-mail-it/pom.xml
+++ b/src/backend/libs/ai-mail-it/pom.xml
@@ -114,7 +114,7 @@
 			<dependency>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-dependencies</artifactId>
-				<version>3.1.6</version>
+				<version>3.3.5</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>