diff --git a/package.json b/package.json
index 44cfdf3cf4..a98e5f24ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@metamask/core-monorepo",
-  "version": "154.0.0",
+  "version": "155.0.0",
   "private": true,
   "description": "Monorepo for packages shared between MetaMask clients",
   "repository": {
diff --git a/packages/permission-controller/CHANGELOG.md b/packages/permission-controller/CHANGELOG.md
index 82d72d54d3..146a959f9b 100644
--- a/packages/permission-controller/CHANGELOG.md
+++ b/packages/permission-controller/CHANGELOG.md
@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [9.1.0]
+
+### Added
+
+- Add `requestPermissionsIncremental()` and caveat merger functions ([#4222](https://github.com/MetaMask/core/pull/4222))
+- Enable passing additional metadata during permission requests ([#4179](https://github.com/MetaMask/core/pull/4179))
+- Make permission request validation errors more informative ([#4172](https://github.com/MetaMask/core/pull/4172))
+
 ## [9.0.2]
 
 ### Fixed
@@ -103,9 +111,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-- **BREAKING:** Remove `undefined` from RestrictedMethodParameters type union and from type parameter for RestrictedMethodOptions ([#1749])(https://github.com/MetaMask/core/pull/1749))
-- **BREAKING:** Update from `json-rpc-engine@^6.1.0` to `@metamask/json-rpc-engine@^7.1.1` ([#1749])(https://github.com/MetaMask/core/pull/1749))
-- Update from `eth-rpc-errors@^4.0.2` to `@metamask/rpc-errors@^6.0.0` ([#1749])(https://github.com/MetaMask/core/pull/1749))
+- **BREAKING:** Remove `undefined` from RestrictedMethodParameters type union and from type parameter for RestrictedMethodOptions ([#1749](https://github.com/MetaMask/core/pull/1749))
+- **BREAKING:** Update from `json-rpc-engine@^6.1.0` to `@metamask/json-rpc-engine@^7.1.1` ([#1749](https://github.com/MetaMask/core/pull/1749))
+- Update from `eth-rpc-errors@^4.0.2` to `@metamask/rpc-errors@^6.0.0` ([#1749](https://github.com/MetaMask/core/pull/1749))
 - Bump dependency on `@metamask/utils` to ^8.1.0 ([#1639](https://github.com/MetaMask/core/pull/1639))
 - Bump dependency and peer dependency on `@metamask/approval-controller` to ^4.0.0
 - Bump dependency on `@metamask/base-controller` to ^3.2.3
@@ -218,7 +226,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
     All changes listed after this point were applied to this package following the monorepo conversion.
 
-[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/permission-controller@9.0.2...HEAD
+[Unreleased]: https://github.com/MetaMask/core/compare/@metamask/permission-controller@9.1.0...HEAD
+[9.1.0]: https://github.com/MetaMask/core/compare/@metamask/permission-controller@9.0.2...@metamask/permission-controller@9.1.0
 [9.0.2]: https://github.com/MetaMask/core/compare/@metamask/permission-controller@9.0.1...@metamask/permission-controller@9.0.2
 [9.0.1]: https://github.com/MetaMask/core/compare/@metamask/permission-controller@9.0.0...@metamask/permission-controller@9.0.1
 [9.0.0]: https://github.com/MetaMask/core/compare/@metamask/permission-controller@8.0.1...@metamask/permission-controller@9.0.0
diff --git a/packages/permission-controller/package.json b/packages/permission-controller/package.json
index 1098c2b842..99bc89ae19 100644
--- a/packages/permission-controller/package.json
+++ b/packages/permission-controller/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@metamask/permission-controller",
-  "version": "9.0.2",
+  "version": "9.1.0",
   "description": "Mediates access to JSON-RPC methods, used to interact with pieces of the MetaMask stack, via middleware for json-rpc-engine",
   "keywords": [
     "MetaMask",
diff --git a/packages/selected-network-controller/package.json b/packages/selected-network-controller/package.json
index 26525b8781..9b067f86ff 100644
--- a/packages/selected-network-controller/package.json
+++ b/packages/selected-network-controller/package.json
@@ -44,7 +44,7 @@
     "@metamask/base-controller": "^5.0.2",
     "@metamask/json-rpc-engine": "^8.0.2",
     "@metamask/network-controller": "^18.1.1",
-    "@metamask/permission-controller": "^9.0.2",
+    "@metamask/permission-controller": "^9.1.0",
     "@metamask/swappable-obj-proxy": "^2.2.0",
     "@metamask/utils": "^8.3.0"
   },
diff --git a/yarn.lock b/yarn.lock
index fe39fdaaff..0a490afe69 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2615,7 +2615,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@metamask/permission-controller@^9.0.2, @metamask/permission-controller@workspace:packages/permission-controller":
+"@metamask/permission-controller@^9.0.2, @metamask/permission-controller@^9.1.0, @metamask/permission-controller@workspace:packages/permission-controller":
   version: 0.0.0-use.local
   resolution: "@metamask/permission-controller@workspace:packages/permission-controller"
   dependencies:
@@ -2865,7 +2865,7 @@ __metadata:
     "@metamask/base-controller": ^5.0.2
     "@metamask/json-rpc-engine": ^8.0.2
     "@metamask/network-controller": ^18.1.1
-    "@metamask/permission-controller": ^9.0.2
+    "@metamask/permission-controller": ^9.1.0
     "@metamask/swappable-obj-proxy": ^2.2.0
     "@metamask/utils": ^8.3.0
     "@types/jest": ^27.4.1