diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5c753b4..8e67d25 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "6.3.0"
+  ".": "6.4.0"
 }
diff --git a/HISTORY.md b/HISTORY.md
index a497925..7407a6a 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.
 
+## [6.4.0](https://github.com/mongodb-js/mongodb-client-encryption/compare/v6.3.0...v6.4.0) (2025-05-08)
+
+
+### Features
+
+* **NODE-6947:** add keyExpirationMS to bindings ([#78](https://github.com/mongodb-js/mongodb-client-encryption/issues/78)) ([d0fcc4b](https://github.com/mongodb-js/mongodb-client-encryption/commit/d0fcc4b4eb2948b731b4b9089daa49e44062740a))
+
 ## [6.3.0](https://github.com/mongodb-js/mongodb-client-encryption/compare/v6.2.0...v6.3.0) (2025-02-27)
 
 
diff --git a/package-lock.json b/package-lock.json
index 37209f4..6fadefc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mongodb-client-encryption",
-  "version": "6.3.0",
+  "version": "6.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mongodb-client-encryption",
-      "version": "6.3.0",
+      "version": "6.4.0",
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
diff --git a/package.json b/package.json
index 11cd597..e809fd4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mongodb-client-encryption",
-  "version": "6.3.0",
+  "version": "6.4.0",
   "description": "Official client encryption module for the MongoDB Node.js driver",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",