diff --git a/mocktail-samples/webservice/cxf-simpleclient/pom.xml b/mocktail-samples/webservice/cxf-simpleclient/pom.xml
index b81e3b8..3f9284c 100644
--- a/mocktail-samples/webservice/cxf-simpleclient/pom.xml
+++ b/mocktail-samples/webservice/cxf-simpleclient/pom.xml
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-core</artifactId>
-      <version>5.3.4</version>
+      <version>5.3.20</version>
     </dependency>
     <dependency>
       <groupId>com.svashishtha.mocktail</groupId>