diff --git a/Cargo.lock b/Cargo.lock
index 527a0e6edaa..52a9d9da4fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3689,6 +3689,7 @@ checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
 dependencies = [
  "autocfg",
  "scopeguard",
+ "serde",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 9b05c897205..5e50b786860 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -83,7 +83,7 @@ mockito = { version = "1.4.0", default-features = false }
 mockall = { version = "0.13.0" }
 num_cpus = "1.16.0"
 object_store = "0.11.1"
-parking_lot = "0.12.1"
+parking_lot = { version = "0.12.1", features = ["serde"] }
 paste = "1.0.15"
 parquet = { version = "53.0.0", features = ["object_store"] }
 pbjson = "0.6.0"
diff --git a/influxdb3_catalog/src/catalog.rs b/influxdb3_catalog/src/catalog.rs
index 91711916743..73821662530 100644
--- a/influxdb3_catalog/src/catalog.rs
+++ b/influxdb3_catalog/src/catalog.rs
@@ -19,7 +19,7 @@ use iox_time::Time;
 use observability_deps::tracing::{debug, info};
 use parking_lot::RwLock;
 use schema::{InfluxColumnType, InfluxFieldType, Schema, SchemaBuilder};
-use serde::{Deserialize, Serialize, Serializer};
+use serde::{Deserialize, Serialize};
 use std::borrow::Cow;
 use std::cmp::Ordering;
 use std::collections::BTreeMap;
@@ -159,8 +159,9 @@ impl CatalogSequenceNumber {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct Catalog {
+    #[serde(flatten)]
     inner: RwLock<InnerCatalog>,
 }
 
@@ -170,15 +171,6 @@ impl PartialEq for Catalog {
     }
 }
 
-impl Serialize for Catalog {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        self.inner.read().serialize(serializer)
-    }
-}
-
 impl Catalog {
     /// Limit for the number of Databases that InfluxDB 3.0 OSS can have
     pub(crate) const NUM_DBS_LIMIT: usize = 5;
diff --git a/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__catalog_serialization.snap b/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__catalog_serialization.snap
index 8007db91c78..78d1e0b4f7b 100644
--- a/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__catalog_serialization.snap
+++ b/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__catalog_serialization.snap
@@ -269,8 +269,8 @@ snapshot_kind: text
       }
     ]
   ],
-  "sequence": 0,
+  "db_map": [],
   "host_id": "sample-host-id",
   "instance_id": "instance-id",
-  "db_map": []
+  "sequence": 0
 }
diff --git a/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_last_cache.snap b/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_last_cache.snap
index f461d190ffe..dce619ffcb2 100644
--- a/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_last_cache.snap
+++ b/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_last_cache.snap
@@ -120,8 +120,8 @@ snapshot_kind: text
       }
     ]
   ],
-  "sequence": 0,
+  "db_map": [],
   "host_id": "sample-host-id",
   "instance_id": "instance-id",
-  "db_map": []
+  "sequence": 0
 }
diff --git a/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_series_keys.snap b/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_series_keys.snap
index 5600f91c220..c3f41aff17d 100644
--- a/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_series_keys.snap
+++ b/influxdb3_catalog/src/snapshots/influxdb3_catalog__catalog__tests__serialize_series_keys.snap
@@ -104,8 +104,8 @@ snapshot_kind: text
       }
     ]
   ],
-  "sequence": 0,
+  "db_map": [],
   "host_id": "sample-host-id",
   "instance_id": "instance-id",
-  "db_map": []
+  "sequence": 0
 }