diff --git a/oai-proxy-api/pom.xml b/oai-proxy-api/pom.xml
index a4527f3..a75cf47 100644
--- a/oai-proxy-api/pom.xml
+++ b/oai-proxy-api/pom.xml
@@ -123,7 +123,7 @@
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-core</artifactId>
-			<version>3.1.2.RELEASE</version>
+			<version>5.5.7</version>
 		</dependency>
  
 		<dependency>