diff --git a/samples/server/petstore/jaxrs-cxf/pom.xml b/samples/server/petstore/jaxrs-cxf/pom.xml
index 273e216da183..307edc5a1667 100644
--- a/samples/server/petstore/jaxrs-cxf/pom.xml
+++ b/samples/server/petstore/jaxrs-cxf/pom.xml
@@ -194,7 +194,7 @@
     <swagger-core-version>1.5.22</swagger-core-version>
     <jetty-version>9.2.9.v20150224</jetty-version>
     <junit-version>4.12</junit-version>
-    <logback-version>1.1.7</logback-version>
+    <logback-version>1.5.33</logback-version>
     <servlet-api-version>2.5</servlet-api-version>
     <beanvalidation-version>1.1.0.Final</beanvalidation-version>
     <cxf-version>3.3.0</cxf-version>