diff --git a/HISTORY.md b/HISTORY.md
index fce7e66ae2..dbf8a90661 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [5.9.1](https://github.com/mongodb/node-mongodb-native/compare/v5.9.0...v5.9.1) (2023-10-18)
+
+
+### Bug Fixes
+
+* **NODE-5627:** BulkWriteResult.insertedIds includes ids that were not inserted ([#3870](https://github.com/mongodb/node-mongodb-native/issues/3870)) ([d766ae2](https://github.com/mongodb/node-mongodb-native/commit/d766ae22f3cfc6679ee3f7c068ebb8596beb4331))
+* **NODE-5691:** make findOne() close implicit session to avoid memory leak ([#3889](https://github.com/mongodb/node-mongodb-native/issues/3889)) ([0d6c9cd](https://github.com/mongodb/node-mongodb-native/commit/0d6c9cde3badadc915821aa1f83d16f34dc29ee0))
+
 ## [5.9.0](https://github.com/mongodb/node-mongodb-native/compare/v5.8.1...v5.9.0) (2023-09-14)
 
 
diff --git a/package-lock.json b/package-lock.json
index 290690d7a4..fb20f227ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mongodb",
-  "version": "5.9.0",
+  "version": "5.9.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mongodb",
-      "version": "5.9.0",
+      "version": "5.9.1",
       "license": "Apache-2.0",
       "dependencies": {
         "bson": "^5.5.0",
diff --git a/package.json b/package.json
index b8f2065322..15e230b55d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mongodb",
-  "version": "5.9.0",
+  "version": "5.9.1",
   "description": "The official MongoDB driver for Node.js",
   "main": "lib/index.js",
   "files": [