diff --git a/integration-tests/chain-signatures/tests/cases/mod.rs b/integration-tests/chain-signatures/tests/cases/mod.rs
index 6d3a52a4b..fa1fbae6c 100644
--- a/integration-tests/chain-signatures/tests/cases/mod.rs
+++ b/integration-tests/chain-signatures/tests/cases/mod.rs
@@ -7,6 +7,8 @@ use crypto_shared::{self, derive_epsilon, derive_key, x_coordinate, ScalarExt};
 use integration_tests_chain_signatures::containers::{self, DockerClient};
 use integration_tests_chain_signatures::MultichainConfig;
 use k256::elliptic_curve::point::AffineCoordinates;
+use mpc_contract::config::Config;
+use mpc_contract::update::ProposeUpdateArgs;
 use mpc_node::kdf::into_eth_sig;
 use mpc_node::test_utils;
 use mpc_node::types::LatestBlockHeight;
@@ -353,3 +355,40 @@ async fn test_multichain_reshare_with_lake_congestion() -> anyhow::Result<()> {
     })
     .await
 }
+
+#[test(tokio::test)]
+async fn test_multichain_update_contract() -> anyhow::Result<()> {
+    let config = MultichainConfig::default();
+    with_multichain_nodes(config.clone(), |ctx| {
+        Box::pin(async move {
+            // Get into running state and produce a singular signature.
+            let state = wait_for::running_mpc(&ctx, Some(0)).await?;
+            wait_for::has_at_least_mine_triples(&ctx, 2).await?;
+            wait_for::has_at_least_mine_presignatures(&ctx, 1).await?;
+            actions::single_payload_signature_production(&ctx, &state).await?;
+
+            // Perform update to the contract and see that the nodes are still properly running and picking
+            // up the new contract by first upgrading the contract, then trying to generate a new signature.
+            let id = ctx.propose_update_contract_default().await;
+            ctx.vote_update(id).await;
+            tokio::time::sleep(std::time::Duration::from_secs(3)).await;
+            wait_for::has_at_least_mine_presignatures(&ctx, 1).await?;
+            actions::single_payload_signature_production(&ctx, &state).await?;
+
+            // Now do a config update and see if that also updates the same:
+            let id = ctx
+                .propose_update(ProposeUpdateArgs {
+                    code: None,
+                    config: Some(Config::default()),
+                })
+                .await;
+            ctx.vote_update(id).await;
+            tokio::time::sleep(std::time::Duration::from_secs(3)).await;
+            wait_for::has_at_least_mine_presignatures(&ctx, 1).await?;
+            actions::single_payload_signature_production(&ctx, &state).await?;
+
+            Ok(())
+        })
+    })
+    .await
+}
diff --git a/integration-tests/chain-signatures/tests/lib.rs b/integration-tests/chain-signatures/tests/lib.rs
index d2207a01c..f37ccaaf9 100644
--- a/integration-tests/chain-signatures/tests/lib.rs
+++ b/integration-tests/chain-signatures/tests/lib.rs
@@ -2,20 +2,25 @@ mod actions;
 mod cases;
 
 use crate::actions::wait_for;
+use mpc_contract::update::{ProposeUpdateArgs, UpdateId};
 
 use anyhow::anyhow;
 use futures::future::BoxFuture;
 use integration_tests_chain_signatures::containers::DockerClient;
 use integration_tests_chain_signatures::utils::{vote_join, vote_leave};
 use integration_tests_chain_signatures::{run, utils, MultichainConfig, Nodes};
-use near_jsonrpc_client::JsonRpcClient;
 
-use near_workspaces::types::SecretKey;
+use near_jsonrpc_client::JsonRpcClient;
+use near_workspaces::types::{NearToken, SecretKey};
 use near_workspaces::{Account, AccountId};
 
 use integration_tests_chain_signatures::local::NodeConfig;
 use std::str::FromStr;
 
+const CURRENT_CONTRACT_DEPLOY_DEPOSIT: NearToken = NearToken::from_millinear(9000);
+const CURRENT_CONTRACT_FILE_PATH: &str =
+    "../../target/wasm32-unknown-unknown/release/mpc_contract.wasm";
+
 pub struct MultichainTestContext<'a> {
     nodes: Nodes<'a>,
     rpc_client: near_fetch::Client,
@@ -144,6 +149,55 @@ impl MultichainTestContext<'_> {
 
         Ok(self.nodes.kill_node(leaving_account_id).await.unwrap())
     }
+
+    pub async fn propose_update(&self, args: ProposeUpdateArgs) -> mpc_contract::update::UpdateId {
+        let accounts = self.nodes.near_accounts();
+        accounts[0]
+            .call(self.nodes.ctx().mpc_contract.id(), "propose_update")
+            .args_borsh((args,))
+            .max_gas()
+            .deposit(CURRENT_CONTRACT_DEPLOY_DEPOSIT)
+            .transact()
+            .await
+            .unwrap()
+            .json()
+            .unwrap()
+    }
+
+    pub async fn propose_update_contract_default(&self) -> UpdateId {
+        let same_contract_bytes = std::fs::read(CURRENT_CONTRACT_FILE_PATH).unwrap();
+        self.propose_update(ProposeUpdateArgs {
+            code: Some(same_contract_bytes),
+            config: None,
+        })
+        .await
+    }
+
+    pub async fn vote_update(&self, id: UpdateId) {
+        let participants = self.participant_accounts().await.unwrap();
+
+        let mut success = 0;
+        for account in participants.iter() {
+            let execution = account
+                .call(self.nodes.ctx().mpc_contract.id(), "vote_update")
+                .args_json((id,))
+                .max_gas()
+                .transact()
+                .await
+                .unwrap()
+                .into_result();
+
+            match execution {
+                Ok(_) => success += 1,
+                Err(e) => tracing::warn!(?id, ?e, "Failed to vote for update"),
+            }
+        }
+
+        assert!(
+            success >= self.cfg.threshold,
+            "did not successfully vote for update"
+        );
+    }
 }
 
 pub async fn with_multichain_nodes<F>(cfg: MultichainConfig, f: F) -> anyhow::Result<()>