diff --git a/pom.xml b/pom.xml
index 2a4d56ccd..590a5626a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
         <sonar-maven-plugin.version>3.0.2</sonar-maven-plugin.version>
         <sortpom-maven-plugin.version>2.5.0</sortpom-maven-plugin.version>
         <spring-boot.version>1.4.0.RELEASE</spring-boot.version>
-        <spring.security.version>4.1.1.RELEASE</spring.security.version>
+        <spring.security.version>5.3.3.RELEASE</spring.security.version>
         <spring.version>4.3.2.RELEASE</spring.version>
         <sprint.version>2.3.17</sprint.version>
         <start-class>it.cnr.si.FlowsApp</start-class>