diff --git a/build.gradle b/build.gradle
index 00b087c..484bc6e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -54,7 +54,7 @@ repositories {
 
 ext {
     deps = [
-        gocdPluginApi: 'cd.go.plugin:go-plugin-api:25.2.0',
+        gocdPluginApi: 'cd.go.plugin:go-plugin-api:25.3.0',
     ]
 
     versions = project.ext.deps.collectEntries { lib, libGav -> [lib, libGav.split(':').last()] }
@@ -70,8 +70,8 @@ dependencies {
     testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine'
     testRuntimeOnly group: 'org.junit.platform', name: 'junit-platform-launcher'
 
-    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.18.0'
-    testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.27.3'
+    testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.19.0'
+    testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.27.4'
     testImplementation group: 'cd.go.plugin', name: 'go-plugin-api', version: project.versions.gocdPluginApi
 }