diff --git a/data-prepper-plugins/rss-source/build.gradle b/data-prepper-plugins/rss-source/build.gradle
index d99014e058..68c0ff9e57 100644
--- a/data-prepper-plugins/rss-source/build.gradle
+++ b/data-prepper-plugins/rss-source/build.gradle
@@ -16,7 +16,7 @@ dependencies {
     implementation 'com.apptasticsoftware:rssreader:3.6.0'
     testImplementation libs.commons.lang3
     testImplementation project(':data-prepper-test-common')
-    testImplementation 'org.mock-server:mockserver-junit-jupiter-no-dependencies:5.14.0'
+    testImplementation 'org.mock-server:mockserver-junit-jupiter-no-dependencies:5.15.0'
     testImplementation libs.commons.io
 }