diff --git a/zebra-consensus/src/chain.rs b/zebra-consensus/src/chain.rs
index 62873400..79abe5c7 100644
--- a/zebra-consensus/src/chain.rs
+++ b/zebra-consensus/src/chain.rs
@@ -152,6 +152,6 @@ where
             max_checkpoint_height,
             last_block_height: None,
         }),
-        1,
+        3,
     )
 }
diff --git a/zebra-state/src/service.rs b/zebra-state/src/service.rs
index 9e688c05..7c14ad68 100644
--- a/zebra-state/src/service.rs
+++ b/zebra-state/src/service.rs
@@ -104,5 +104,5 @@ pub fn init(
     config: Config,
     network: Network,
 ) -> Buffer<BoxService<Request, Response, BoxError>, Request> {
-    Buffer::new(BoxService::new(StateService::new(config, network)), 1)
+    Buffer::new(BoxService::new(StateService::new(config, network)), 3)
 }