diff --git a/data-prepper-plugins/anomaly-detector-processor/build.gradle b/data-prepper-plugins/anomaly-detector-processor/build.gradle
index 76f5ae9513..3495f2d7f1 100644
--- a/data-prepper-plugins/anomaly-detector-processor/build.gradle
+++ b/data-prepper-plugins/anomaly-detector-processor/build.gradle
@@ -16,7 +16,7 @@ dependencies {
     implementation 'software.amazon.randomcutforest:randomcutforest-testutils:3.8.0'
     implementation 'software.amazon.randomcutforest:randomcutforest-core:3.8.0'
     implementation 'software.amazon.randomcutforest:randomcutforest-examples:3.8.0'
-    implementation 'software.amazon.randomcutforest:randomcutforest-parkservices:3.8.0'
+    implementation 'software.amazon.randomcutforest:randomcutforest-parkservices:4.0.0'
     implementation 'software.amazon.randomcutforest:randomcutforest-serialization-json:1.0'
     testImplementation libs.commons.lang3
 }