diff --git a/lib/src/json_rpc/methods.rs b/lib/src/json_rpc/methods.rs
index d788a9b5d7..31d1a8b7d5 100644
--- a/lib/src/json_rpc/methods.rs
+++ b/lib/src/json_rpc/methods.rs
@@ -440,7 +440,7 @@ define_methods! {
         #[rename = "networkConfig"] network_config: Option<NetworkConfig>
     ) -> Cow<'a, str>,
     chainHead_unstable_follow(
-        #[rename = "runtimeUpdates"] runtime_updates: bool
+        #[rename = "withRuntime"] with_runtime: bool
     ) -> Cow<'a, str>,
     chainHead_unstable_genesisHash() -> HashHexString,
     chainHead_unstable_header(
@@ -679,7 +679,7 @@ pub enum FollowEvent<'a> {
         #[serde(rename = "parentBlockHash")]
         parent_block_hash: HashHexString,
         #[serde(rename = "newRuntime")]
-        // TODO: must not be present if runtime_updates: false
+        // TODO: must not be present if with_runtime: false
         new_runtime: Option<MaybeRuntimeSpec<'a>>,
     },
     #[serde(rename = "bestBlockChanged")]
diff --git a/light-base/src/json_rpc_service/background.rs b/light-base/src/json_rpc_service/background.rs
index ed85ac73d5..fb88787539 100644
--- a/light-base/src/json_rpc_service/background.rs
+++ b/light-base/src/json_rpc_service/background.rs
@@ -811,8 +811,8 @@ impl<TPlat: PlatformRef> Background<TPlat> {
                 )
                 .await;
             }
-            methods::MethodCall::chainHead_unstable_follow { runtime_updates } => {
-                self.chain_head_follow((request_id, &state_machine_request_id), runtime_updates)
+            methods::MethodCall::chainHead_unstable_follow { with_runtime } => {
+                self.chain_head_follow((request_id, &state_machine_request_id), with_runtime)
                     .await;
             }
             methods::MethodCall::chainHead_unstable_genesisHash {} => {
diff --git a/light-base/src/json_rpc_service/background/chain_head.rs b/light-base/src/json_rpc_service/background/chain_head.rs
index 9af86c2a46..e8ddef91b9 100644
--- a/light-base/src/json_rpc_service/background/chain_head.rs
+++ b/light-base/src/json_rpc_service/background/chain_head.rs
@@ -100,7 +100,7 @@ impl<TPlat: PlatformRef> Background<TPlat> {
     pub(super) async fn chain_head_follow(
         self: &Arc<Self>,
         request_id: (&str, &requests_subscriptions::RequestId),
-        runtime_updates: bool,
+        with_runtime: bool,
     ) {
         let (subscription_id, messages_rx, subscription_start) = match self
             .requests_subscriptions
@@ -126,7 +126,7 @@ impl<TPlat: PlatformRef> Background<TPlat> {
             }
         };
 
-        let subscription = if runtime_updates {
+        let subscription = if with_runtime {
             let subscribe_all = self
                 .runtime_service
                 .subscribe_all("chainHead_follow", 32, NonZeroUsize::new(32).unwrap())
@@ -312,11 +312,11 @@ impl<TPlat: PlatformRef> Background<TPlat> {
                 non_finalized_blocks,
                 pinned_blocks_headers,
                 subscription: match subscription {
-                    either::Left((sub, id)) => Subscription::RuntimeUpdates {
+                    either::Left((sub, id)) => Subscription::WithRuntime {
                         notifications: sub.new_blocks,
                         subscription_id: id,
                     },
-                    either::Right(sub) => Subscription::NoRuntimeUpdates(sub.new_blocks),
+                    either::Right(sub) => Subscription::WithoutRuntime(sub.new_blocks),
                 },
                 log_target,
                 runtime_service,
@@ -707,12 +707,12 @@ struct ChainHeadFollowTask<TPlat: PlatformRef> {
 }
 
 enum Subscription<TPlat: PlatformRef> {
-    RuntimeUpdates {
+    WithRuntime {
         notifications: runtime_service::Subscription<TPlat>,
         subscription_id: runtime_service::SubscriptionId,
     },
     // TODO: better typing?
-    NoRuntimeUpdates(mpsc::Receiver<sync_service::Notification>),
+    WithoutRuntime(mpsc::Receiver<sync_service::Notification>),
 }
 
 impl<TPlat: PlatformRef> ChainHeadFollowTask<TPlat> {
@@ -750,10 +750,10 @@ impl<TPlat: PlatformRef> ChainHeadFollowTask<TPlat> {
         loop {
             let outcome = {
                 let next_block = pin::pin!(match &mut self.subscription {
-                    Subscription::RuntimeUpdates { notifications, .. } => {
+                    Subscription::WithRuntime { notifications, .. } => {
                         future::Either::Left(notifications.next().map(either::Left))
                     }
-                    Subscription::NoRuntimeUpdates(notifications) => {
+                    Subscription::WithoutRuntime(notifications) => {
                         future::Either::Right(notifications.next().map(either::Right))
                     }
                 });
@@ -1086,7 +1086,7 @@ impl<TPlat: PlatformRef> ChainHeadFollowTask<TPlat> {
             } => {
                 // Determine whether the requested block hash is valid and start the call.
                 let pre_runtime_call = match self.subscription {
-                    Subscription::RuntimeUpdates {
+                    Subscription::WithRuntime {
                         subscription_id, ..
                     } => {
                         if !self.pinned_blocks_headers.contains_key(&hash.0) {
@@ -1109,7 +1109,7 @@ impl<TPlat: PlatformRef> ChainHeadFollowTask<TPlat> {
                             .await
                             .ok()
                     }
-                    Subscription::NoRuntimeUpdates(_) => {
+                    Subscription::WithoutRuntime(_) => {
                         requests_subscriptions
                             .respond(
                                 &get_request_id.1,
@@ -1162,7 +1162,7 @@ impl<TPlat: PlatformRef> ChainHeadFollowTask<TPlat> {
             } => {
                 let valid = {
                     if self.pinned_blocks_headers.remove(&hash.0).is_some() {
-                        if let Subscription::RuntimeUpdates {
+                        if let Subscription::WithRuntime {
                             subscription_id, ..
                         } = self.subscription
                         {
diff --git a/wasm-node/CHANGELOG.md b/wasm-node/CHANGELOG.md
index 486d79b727..ea3b2990dc 100644
--- a/wasm-node/CHANGELOG.md
+++ b/wasm-node/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Changed
+
+- The parameter of `chainHead_unstable_follow` has been renamed from `runtimeUpdates` to `withRuntime` in accordance with the latest JSON-RPC specification changes. ([#624](https://github.com/smol-dot/smoldot/pull/624))
+
 ## 1.0.7 - 2023-05-25
 
 ### Fixed