diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index e54fdbd5..e86fa8fb 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "6.6.0"
+  ".": "6.6.1"
 }
\ No newline at end of file
diff --git a/HISTORY.md b/HISTORY.md
index bed96f56..82909e98 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -2,6 +2,13 @@
 
 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.
 
+## [6.6.1](https://github.com/mongodb/js-bson/compare/v6.6.0...v6.6.1) (2025-03-06)
+
+
+### Bug Fixes
+
+* **NODE-6827:** incorrect negative bigint handling ([#771](https://github.com/mongodb/js-bson/issues/771)) ([18e6578](https://github.com/mongodb/js-bson/commit/18e657834476be216b4a4f0963cbac1e00bf4677))
+
 ## [6.6.0](https://github.com/mongodb/js-bson/compare/v6.5.0...v6.6.0) (2024-04-01)
 
 
diff --git a/package-lock.json b/package-lock.json
index f3bf92bd..7082a483 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "bson",
-  "version": "6.6.0",
+  "version": "6.6.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "bson",
-      "version": "6.6.0",
+      "version": "6.6.1",
       "license": "Apache-2.0",
       "devDependencies": {
         "@istanbuljs/nyc-config-typescript": "^1.0.2",
diff --git a/package.json b/package.json
index 9f54a119..920a50f4 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "vendor"
   ],
   "types": "bson.d.ts",
-  "version": "6.6.0",
+  "version": "6.6.1",
   "author": {
     "name": "The MongoDB NodeJS Team",
     "email": "dbx-node@mongodb.com"