diff --git a/build.gradle b/build.gradle
index 9c82b8b..7bcd8aa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -61,7 +61,7 @@ repositories {
 
 ext {
     deps = [
-        gocdPluginApi: 'cd.go.plugin:go-plugin-api:25.3.0',
+        gocdPluginApi: 'cd.go.plugin:go-plugin-api:25.4.0',
     ]
 
     versions = project.ext.deps.collectEntries { lib, libGav -> [lib, libGav.split(':').last()] }
@@ -77,7 +77,7 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 
-    testImplementation 'org.mockito:mockito-core:5.20.0'
+    testImplementation 'org.mockito:mockito-core:5.21.0'
     testImplementation 'org.assertj:assertj-core:3.27.6'
     testImplementation "cd.go.plugin:go-plugin-api:${project.versions.gocdPluginApi}"
 }