diff --git a/CHANGELOG.md b/CHANGELOG.md
index 416c822c8c..6a0d414e00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ All notable changes to this project will be documented in this file.
 
 ### Changes
 
+- SDK
+  - Rename serviceability permission-flag bit 6 from `PERMISSION_FLAG_RESERVATION` to `PERMISSION_FLAG_FEED_AUTHORITY` in the TypeScript and Python SDKs, matching the on-chain program and Go SDK (bit value unchanged). (#3985)
 - Serviceability
   - Gate MulticastGroup CRUD on `MULTICAST_ADMIN` and publisher/subscriber allowlist add/remove on `mgroup.owner OR MULTICAST_ADMIN`/`ACCESS_PASS_ADMIN` via `authorize()`; add handlers use split_trailing_permission. (#3982)
   - Require a Permission account (or the legacy foundation authority) for GlobalState, GlobalConfig, and foundation/QA allowlist admin instructions, gated on `GLOBALSTATE_ADMIN` via `authorize()`. (#3977)
diff --git a/sdk/serviceability/python/serviceability/state.py b/sdk/serviceability/python/serviceability/state.py
index fc14898756..394f8565a1 100644
--- a/sdk/serviceability/python/serviceability/state.py
+++ b/sdk/serviceability/python/serviceability/state.py
@@ -1108,7 +1108,7 @@ def __str__(self) -> str:
 PERMISSION_FLAG_NETWORK_ADMIN = 1 << 3
 PERMISSION_FLAG_TENANT_ADMIN = 1 << 4
 PERMISSION_FLAG_MULTICAST_ADMIN = 1 << 5
-PERMISSION_FLAG_RESERVATION = 1 << 6
+PERMISSION_FLAG_FEED_AUTHORITY = 1 << 6
 PERMISSION_FLAG_ACTIVATOR = 1 << 7
 PERMISSION_FLAG_SENTINEL = 1 << 8
 PERMISSION_FLAG_USER_ADMIN = 1 << 9
diff --git a/sdk/serviceability/typescript/serviceability/state.ts b/sdk/serviceability/typescript/serviceability/state.ts
index f769e07611..7838bf690e 100644
--- a/sdk/serviceability/typescript/serviceability/state.ts
+++ b/sdk/serviceability/typescript/serviceability/state.ts
@@ -1136,7 +1136,7 @@ export const PERMISSION_FLAG_INFRA_ADMIN = 1n << 2n;
 export const PERMISSION_FLAG_NETWORK_ADMIN = 1n << 3n;
 export const PERMISSION_FLAG_TENANT_ADMIN = 1n << 4n;
 export const PERMISSION_FLAG_MULTICAST_ADMIN = 1n << 5n;
-export const PERMISSION_FLAG_RESERVATION = 1n << 6n;
+export const PERMISSION_FLAG_FEED_AUTHORITY = 1n << 6n;
 export const PERMISSION_FLAG_ACTIVATOR = 1n << 7n;
 export const PERMISSION_FLAG_SENTINEL = 1n << 8n;
 export const PERMISSION_FLAG_USER_ADMIN = 1n << 9n;