diff --git a/Cargo.lock b/Cargo.lock
index 0e745f81..2a563081 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6592,9 +6592,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.34"
+version = "0.3.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8248b6521bb14bc45b4067159b9b6ad792e2d6d754d6c41fb50e29fefe38749"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
 dependencies = [
  "deranged",
  "itoa 1.0.10",
@@ -6613,9 +6613,9 @@ checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
 
 [[package]]
 name = "time-macros"
-version = "0.2.17"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ba3a3ef41e6672a2f0f001392bb5dcd3ff0a9992d618ca761a11c3121547774"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
 dependencies = [
  "num-conv",
  "time-core",
diff --git a/src/sources/u5c.rs b/src/sources/u5c.rs
index 8f8bf8c2..c091dad1 100644
--- a/src/sources/u5c.rs
+++ b/src/sources/u5c.rs
@@ -1,19 +1,17 @@
 use futures::StreamExt;
 use gasket::framework::*;
-
-use pallas::ledger::traverse::MultiEraBlock;
-use pallas::network::miniprotocols::Point;
 use serde::Deserialize;
 use tonic::transport::Channel;
 use tonic::Streaming;
 use tracing::{debug, error};
 
-use utxorpc_spec::utxorpc::v1alpha::sync::any_chain_block::Chain;
-use utxorpc_spec::utxorpc::v1alpha::sync::chain_sync_service_client::ChainSyncServiceClient;
-use utxorpc_spec::utxorpc::v1alpha::sync::follow_tip_response::Action;
-use utxorpc_spec::utxorpc::v1alpha::sync::{
+use pallas::interop::utxorpc::spec::sync::any_chain_block::Chain;
+use pallas::interop::utxorpc::spec::sync::follow_tip_response::Action;
+use pallas::interop::utxorpc::spec::sync::sync_service_client::SyncServiceClient;
+use pallas::interop::utxorpc::spec::sync::{
     BlockRef, DumpHistoryRequest, FollowTipRequest, FollowTipResponse,
 };
+use pallas::network::miniprotocols::Point;
 
 use crate::framework::*;
 
@@ -28,7 +26,7 @@ fn point_to_blockref(point: Point) -> Option<BlockRef> {
 }
 
 pub struct Worker {
-    client: ChainSyncServiceClient<Channel>,
+    client: SyncServiceClient<Channel>,
     stream: Option<Streaming<FollowTipResponse>>,
     intersect: Option<BlockRef>,
     max_items_per_page: u32,
@@ -57,17 +55,6 @@ impl Worker {
                                 }
                             }
                         }
-                        Chain::Raw(bytes) => {
-                            let block = MultiEraBlock::decode(bytes).or_panic()?;
-
-                            let evt = ChainEvent::Apply(
-                                Point::Specific(block.slot(), block.hash().to_vec()),
-                                Record::CborBlock(bytes.to_vec()),
-                            );
-
-                            stage.output.send(evt.into()).await.or_panic()?;
-                            stage.chain_tip.set(block.slot() as i64);
-                        }
                     }
                 }
             }
@@ -91,17 +78,6 @@ impl Worker {
                                 }
                             }
                         }
-                        Chain::Raw(bytes) => {
-                            let block = MultiEraBlock::decode(bytes).or_panic()?;
-
-                            let evt = ChainEvent::Undo(
-                                Point::Specific(block.slot(), block.hash().to_vec()),
-                                Record::CborBlock(bytes.to_vec()),
-                            );
-
-                            stage.output.send(evt.into()).await.or_panic()?;
-                            stage.chain_tip.set(block.slot() as i64);
-                        }
                     }
                 }
             }
@@ -183,7 +159,7 @@ impl gasket::framework::Worker<Stage> for Worker {
     async fn bootstrap(stage: &Stage) -> Result<Self, WorkerError> {
         debug!("connecting");
 
-        let client = ChainSyncServiceClient::connect(stage.config.url.clone())
+        let client = SyncServiceClient::connect(stage.config.url.clone())
             .await
             .or_panic()?;