diff --git a/sample/pom.xml b/sample/pom.xml
index ee9cb4783..ce1d5de2b 100644
--- a/sample/pom.xml
+++ b/sample/pom.xml
@@ -18,7 +18,7 @@
     <jstl.version>1.2</jstl.version>
     <junit.version>4.4</junit.version>
     <slf4j.version>1.6.3</slf4j.version>
-    <spring.version>3.1.2.RELEASE</spring.version>
+    <spring.version>5.3.18</spring.version>
     <spring-security-saml2-core.version>1.0.7</spring-security-saml2-core.version>
     <spring-security.version>3.1.2.RELEASE</spring-security.version>
     <tomcat7-maven-plugin.version>2.2</tomcat7-maven-plugin.version>