diff --git a/data-prepper-plugins/s3-source/build.gradle b/data-prepper-plugins/s3-source/build.gradle
index 06818d8eaa..c68bfb1a43 100644
--- a/data-prepper-plugins/s3-source/build.gradle
+++ b/data-prepper-plugins/s3-source/build.gradle
@@ -31,7 +31,7 @@ dependencies {
     implementation 'dev.failsafe:failsafe:3.3.2'
     implementation 'org.apache.httpcomponents:httpcore:4.4.16'
     testImplementation libs.commons.lang3
-    testImplementation 'org.wiremock:wiremock:3.8.0'
+    testImplementation 'org.wiremock:wiremock:3.9.1'
     testImplementation 'org.eclipse.jetty:jetty-bom:11.0.20'
     testImplementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml'
     testImplementation testLibs.junit.vintage