diff --git a/build.gradle b/build.gradle
index 5658de5..8e91c06 100644
--- a/build.gradle
+++ b/build.gradle
@@ -77,7 +77,7 @@ dependencies {
     implementation group: 'com.squareup.okhttp3', name: 'okhttp', version: '4.12.0'
 
     testImplementation project.deps.gocdPluginApi
-    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.14.2'
+    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.15.2'
     testImplementation group: 'org.hamcrest', name: 'hamcrest', version: '3.0'
     testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.3'
     testImplementation group: 'com.squareup.okhttp3', name: 'mockwebserver', version: '4.12.0'