diff --git a/solution-accelerators/security-analytics/src/04_anomaly_detection/ddos/requirements.txt b/solution-accelerators/security-analytics/src/04_anomaly_detection/ddos/requirements.txt
index c0c7b28..40776f4 100644
--- a/solution-accelerators/security-analytics/src/04_anomaly_detection/ddos/requirements.txt
+++ b/solution-accelerators/security-analytics/src/04_anomaly_detection/ddos/requirements.txt
@@ -2,4 +2,4 @@ google-cloud-storage==2.8.0
 google-cloud-aiplatform==1.25.0
 kfp<2.0
 google-cloud-pipeline-components==1.0.42
-protobuf==3.20.3
+protobuf==5.29.6