diff --git a/justfile b/justfile
index 000051aa1..0287f563e 100644
--- a/justfile
+++ b/justfile
@@ -70,7 +70,10 @@ test-all:
 
 test-integration:
 	@echo 'NOTE that demo-native must be running for this test to succeed.'
-	cargo nextest run --all-features --nocapture --profile integration
+	INTEGRATION_TEST_SEQUENCER_VERSION=2 cargo nextest run --all-features --nocapture --profile integration smoke
+test-integration-mp:
+    @echo 'NOTE that demo-native-mp must be running for this test to succeed.'
+    INTEGRATION_TEST_SEQUENCER_VERSION=99 cargo nextest run --all-features --nocapture --profile integration
 
 clippy:
     @echo 'features: "embedded-db"'
diff --git a/sequencer-sqlite/Cargo.lock b/sequencer-sqlite/Cargo.lock
index 663dd21b5..95cf3cc22 100644
--- a/sequencer-sqlite/Cargo.lock
+++ b/sequencer-sqlite/Cargo.lock
@@ -4090,7 +4090,7 @@ dependencies = [
 [[package]]
 name = "hotshot-query-service"
 version = "0.1.75"
-source = "git+https://github.com/EspressoSystems/hotshot-query-service?tag=v0.1.75#dffefa160f441a663723a67bc54efedb11a88b02"
+source = "git+https://github.com/EspressoSystems/hotshot-query-service?tag=v0.1.75-explorer-fixes#d36941606c1a7a9a488963f05e96515fa9cbc1c7"
 dependencies = [
  "anyhow",
  "ark-serialize",
@@ -4113,6 +4113,7 @@ dependencies = [
  "itertools 0.12.1",
  "jf-merkle-tree",
  "jf-vid",
+ "lazy_static",
  "log",
  "prometheus",
  "refinery",
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 52afd6496..ea0d75069 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -1,11 +1,12 @@
 use anyhow::{anyhow, Result};
 use client::SequencerClient;
-use espresso_types::FeeAmount;
+use espresso_types::{FeeAmount, MarketplaceVersion};
 use ethers::prelude::*;
 use futures::future::join_all;
 use std::{fmt, str::FromStr, time::Duration};
 use surf_disco::Url;
 use tokio::time::{sleep, timeout};
+use vbs::version::StaticVersionType;
 
 const L1_PROVIDER_RETRY_INTERVAL: Duration = Duration::from_secs(1);
 // TODO add to .env
@@ -93,17 +94,18 @@ impl TestConfig {
         };
 
         // TODO test both builders (probably requires some refactoring).
-        let builder_url = if sequencer_version >= 3 {
+        let builder_url = if sequencer_version as u16 >= MarketplaceVersion::version().minor {
             let url = url_from_port(dotenvy::var("ESPRESSO_RESERVE_BUILDER_SERVER_PORT")?)?;
+            let url = Url::from_str(&url)?;
+            wait_for_service(url.clone(), 1000, 200).await.unwrap();
 
-            Url::from_str(&url)?
-                .join("bundle_info/builderaddress")
-                .unwrap()
+            url.join("bundle_info/builderaddress").unwrap()
         } else {
             let url = url_from_port(dotenvy::var("ESPRESSO_BUILDER_SERVER_PORT")?)?;
-            Url::from_str(&url)?
-                .join("block_info/builderaddress")
-                .unwrap()
+            let url = Url::from_str(&url)?;
+            wait_for_service(url.clone(), 1000, 200).await.unwrap();
+
+            url.join("block_info/builderaddress").unwrap()
         };
 
         let builder_address = get_builder_address(builder_url).await;
@@ -222,9 +224,8 @@ impl TestConfig {
     }
 }
 
-/// Get Address from builder after waiting for builder to become ready.
+/// Get Address from builder
 pub async fn get_builder_address(url: Url) -> Address {
-    let _ = wait_for_service(url.clone(), 1000, 200).await;
     for _ in 0..5 {
         // Try to get builder address somehow
         if let Ok(body) = reqwest::get(url.clone()).await {
diff --git a/tests/upgrades.rs b/tests/upgrades.rs
index 5d6893844..e680d904b 100644
--- a/tests/upgrades.rs
+++ b/tests/upgrades.rs
@@ -12,7 +12,7 @@ async fn test_upgrade() -> Result<()> {
 
     let testing = TestConfig::new().await.unwrap();
 
-    let versions = if testing.sequencer_version >= 3 {
+    let versions = if testing.sequencer_version as u16 >= MarketplaceVersion::version().minor {
         (FeeVersion::version(), MarketplaceVersion::version())
     } else {
         panic!("Invalid sequencer version provided for upgrade test.");