diff --git a/iris-mpc/src/bin/server.rs b/iris-mpc/src/bin/server.rs
index 2ba9c657c..95d97f03d 100644
--- a/iris-mpc/src/bin/server.rs
+++ b/iris-mpc/src/bin/server.rs
@@ -1,7 +1,10 @@
 #![allow(clippy::needless_range_loop)]
 
 use aws_config::retry::RetryConfig;
-use aws_sdk_s3::{config::Builder as S3ConfigBuilder, Client as S3Client};
+use aws_sdk_s3::{
+    config::{Builder as S3ConfigBuilder, StalledStreamProtectionConfig},
+    Client as S3Client,
+};
 use aws_sdk_sns::{types::MessageAttributeValue, Client as SNSClient};
 use aws_sdk_sqs::{config::Region, Client};
 use axum::{response::IntoResponse, routing::get, Router};
@@ -688,7 +691,13 @@ async fn server_main(config: Config) -> eyre::Result<()> {
 
     // Increase S3 retries to 5
     let retry_config = RetryConfig::standard().with_max_attempts(5);
+
+    // Bump stalled stream protection grace period to 30 seconds
+    let mut stream_protection = StalledStreamProtectionConfig::enabled();
+    stream_protection.set_grace_period(Some(Duration::from_secs(30)));
+
     let s3_config = S3ConfigBuilder::from(&shared_config)
+        .stalled_stream_protection(stream_protection.build())
         .retry_config(retry_config)
         .build();
     let s3_client = Arc::new(S3Client::from_conf(s3_config));