diff --git a/spring-by-example/proto-pom/pom.xml b/spring-by-example/proto-pom/pom.xml
index d04ae27..08bbdff 100644
--- a/spring-by-example/proto-pom/pom.xml
+++ b/spring-by-example/proto-pom/pom.xml
@@ -32,7 +32,7 @@
         <spring.data.rest.version>2.2.1.RELEASE</spring.data.rest.version>
         <spring.flex.version>1.5.2.RELEASE</spring.flex.version>
         <spring.integration.version>4.1.2.RELEASE</spring.integration.version>
-        <spring.security.version>3.2.5.RELEASE</spring.security.version>
+        <spring.security.version>5.7.14</spring.security.version>
         <spring.webflow.version>2.3.3.RELEASE</spring.webflow.version>
         <spring.ws.version>2.1.4.RELEASE</spring.ws.version>