diff --git a/ws-tomcat/pom.xml b/ws-tomcat/pom.xml
index 697a3618..cdc949f2 100644
--- a/ws-tomcat/pom.xml
+++ b/ws-tomcat/pom.xml
@@ -10,7 +10,7 @@
 	</prerequisites>
 	
 	<properties>
-		<spring.version>4.0.6.RELEASE</spring.version>
+		<spring.version>5.2.20.RELEASE</spring.version>
 		<slf4j.version>1.7.7</slf4j.version>
 		<logback.version>1.1.2</logback.version>