diff --git a/server/ssh-signer-common-lib/pom.xml b/server/ssh-signer-common-lib/pom.xml
index 9f90c16..ee44b18 100644
--- a/server/ssh-signer-common-lib/pom.xml
+++ b/server/ssh-signer-common-lib/pom.xml
@@ -22,7 +22,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>3.5.6</version>
+                <version>4.0.0</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>