diff --git a/service/api b/service/api
index 10baa944..4d3acf29 160000
--- a/service/api
+++ b/service/api
@@ -1 +1 @@
-Subproject commit 10baa9442c3416da98e9da57be96c759d725c916
+Subproject commit 4d3acf29394fc895975c1dd9c2dd9e7f0b84f4f0
diff --git a/service/src/client.rs b/service/src/client.rs
index b31f3302..9609de95 100644
--- a/service/src/client.rs
+++ b/service/src/client.rs
@@ -10,7 +10,8 @@ use post::metadata::PostMetadata;
 pub(crate) use spacemesh_v1::post_service_client::PostServiceClient;
 use spacemesh_v1::{node_request, service_response};
 use spacemesh_v1::{
-    GenProofRequest, GenProofResponse, GenProofStatus, Proof, ProofMetadata, ServiceResponse,
+    GenProofRequest, GenProofResponse, GenProofStatus, InterruptProofResponse, Proof,
+    ProofMetadata, ServiceResponse,
 };
 use tokio::sync::mpsc;
 use tokio::time::sleep;
@@ -46,6 +47,8 @@ pub trait PostService {
         proof: &post::prove::Proof<'a>,
         challenge: &[u8],
     ) -> eyre::Result<()>;
+
+    fn interrupt_proof(&self) -> eyre::Result<()>;
 }
 
 impl<T: PostService + ?Sized> PostService for std::sync::Arc<T> {
@@ -60,6 +63,10 @@ impl<T: PostService + ?Sized> PostService for std::sync::Arc<T> {
     fn get_metadata(&self) -> &PostMetadata {
         self.as_ref().get_metadata()
     }
+
+    fn interrupt_proof(&self) -> eyre::Result<()> {
+        self.as_ref().interrupt_proof()
+    }
 }
 
 impl<S: PostService> ServiceClient<S> {
@@ -148,6 +155,10 @@ impl<S: PostService> ServiceClient<S> {
                     let resp = self.generate_and_verify_proof(req);
                     tx.send(resp).await?;
                 }
+                Some(node_request::Kind::Interrupt(_)) => {
+                    let resp = self.interrupt_proof();
+                    tx.send(resp).await?;
+                }
                 None => {
                     log::warn!("Got a request with no kind");
                     tx.send(ServiceResponse {
@@ -235,6 +246,14 @@ impl<S: PostService> ServiceClient<S> {
             })),
         }
     }
+
+    fn interrupt_proof(&self) -> ServiceResponse {
+        self.service.interrupt_proof().unwrap();
+        log::info!("received proof interrupt");
+        ServiceResponse {
+            kind: Some(service_response::Kind::Interrupt(InterruptProofResponse {})),
+        }
+    }
 }
 
 fn convert_metadata(meta: PostMetadata) -> spacemesh_v1::Metadata {
diff --git a/service/src/service.rs b/service/src/service.rs
index 4f958ca0..47ae7360 100644
--- a/service/src/service.rs
+++ b/service/src/service.rs
@@ -3,7 +3,10 @@
 use std::{
     ops::{Range, RangeInclusive},
     path::PathBuf,
-    sync::{atomic::AtomicBool, Arc, Mutex},
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc, Mutex,
+    },
 };
 
 use eyre::Context;
@@ -213,6 +216,11 @@ impl crate::client::PostService for PostService {
     fn get_metadata(&self) -> &PostMetadata {
         &self.metadata
     }
+
+    fn interrupt_proof(&self) -> eyre::Result<()> {
+        self.stop.clone().store(true, Ordering::Relaxed);
+        Ok(())
+    }
 }
 
 impl crate::operator::Service for PostService {