diff --git a/libp2p/CHANGELOG.md b/libp2p/CHANGELOG.md
index fa2992846675..8f976c045ccb 100644
--- a/libp2p/CHANGELOG.md
+++ b/libp2p/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.52.2
+- Add `json` feature which exposes `request_response::json`
+
 ## 0.52.1
 
 - Add `libp2p-webtransport-websys` providing WebTransport for WASM environments.
diff --git a/libp2p/Cargo.toml b/libp2p/Cargo.toml
index 06f269466ea1..52e052df5fa2 100644
--- a/libp2p/Cargo.toml
+++ b/libp2p/Cargo.toml
@@ -23,6 +23,7 @@ full = [
     "floodsub",
     "gossipsub",
     "identify",
+    "json",
     "kad",
     "macros",
     "mdns",
@@ -60,6 +61,7 @@ ed25519 = ["libp2p-identity/ed25519"]
 floodsub = ["dep:libp2p-floodsub"]
 gossipsub = ["dep:libp2p-gossipsub", "libp2p-metrics?/gossipsub"]
 identify = ["dep:libp2p-identify", "libp2p-metrics?/identify"]
+json = ["libp2p-request-response?/json"]
 kad = ["dep:libp2p-kad", "libp2p-metrics?/kad"]
 macros = ["libp2p-swarm/macros"]
 mdns = ["dep:libp2p-mdns"]