diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38c46f29232578..cffe0b8056b29f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,11 @@ Release channels have their own copy of this changelog:
 <a name="edge-channel"></a>
 ## 3.0.0 - Unreleased
 
+### RPC
+
+#### Changes
+* The subscription server now prioritizes processing received messages before sending out responses. This ensures that new subscription requests and time-sensitive messages like `PING` opcodes take priority over notifications.
+
 ### Validator
 
 #### Breaking
diff --git a/rpc/src/rpc_pubsub_service.rs b/rpc/src/rpc_pubsub_service.rs
index 0cb602982e707c..8187741f442ebc 100644
--- a/rpc/src/rpc_pubsub_service.rs
+++ b/rpc/src/rpc_pubsub_service.rs
@@ -401,6 +401,12 @@ async fn handle_connection(
             pin!(receive_future);
             loop {
                 select! {
+                    biased; // See [prioritization] note below.
+
+                    // [prioritization]
+                    // This block must come FIRST in the `select!` macro. This prioritizes
+                    // processing received messages over sending messages. This ensures the timely
+                    // processing of new subscriptions and time-sensitive opcodes like `PING`.
                     result = &mut receive_future => match result {
                         Ok(_) => break,
                         Err(soketto::connection::Error::Closed) => return Ok(()),