diff --git a/simba/pom.xml b/simba/pom.xml
index afb579b..37910f1 100644
--- a/simba/pom.xml
+++ b/simba/pom.xml
@@ -11,7 +11,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jetty.version>9.3.9.M1</jetty.version>
-		<spring.version>4.3.1.RELEASE</spring.version>
+		<spring.version>5.3.18</spring.version>
 		<spring-session.version>1.2.1.RELEASE</spring-session.version>
 		<cglib-nodep.version>2.2</cglib-nodep.version>
 		<aspectjweaver.version>1.7.2</aspectjweaver.version>