diff --git a/PKI/pom.xml b/PKI/pom.xml
index 884308d5..483c16ab 100644
--- a/PKI/pom.xml
+++ b/PKI/pom.xml
@@ -73,7 +73,7 @@
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-web</artifactId>
-			<version>5.5.1</version>
+			<version>5.8.16</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>