diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d06ed2b9..8e67d254 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "6.3.1"
+  ".": "6.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bf5f7b7..77c0d2b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,18 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [6.4.0](https://github.com/globus/globus-sdk-javascript/compare/v6.3.1...v6.4.0) (2026-06-30)
+
+
+### Features
+
+* **Flows:** add `flows.webInputs` methods ([#871](https://github.com/globus/globus-sdk-javascript/issues/871)) ([8ed7bf5](https://github.com/globus/globus-sdk-javascript/commit/8ed7bf53f6f3d6e463a7874ea7af8d32b5fb4fca))
+
+
+### Bug Fixes
+
+* **Transfer,Tunnels:** id,type required fields ([#868](https://github.com/globus/globus-sdk-javascript/issues/868)) ([301e193](https://github.com/globus/globus-sdk-javascript/commit/301e193d66d8a0a51b38b5b4c6e89ba940d78506))
+
 ## [6.3.1](https://github.com/globus/globus-sdk-javascript/compare/v6.3.0...v6.3.1) (2026-06-03)
 
 
diff --git a/package-lock.json b/package-lock.json
index 61f29d14..3a8cf755 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@globus/sdk",
-  "version": "6.3.1",
+  "version": "6.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@globus/sdk",
-      "version": "6.3.1",
+      "version": "6.4.0",
       "license": "Apache-2.0",
       "dependencies": {
         "cross-fetch": "^4.0.0",
diff --git a/package.json b/package.json
index 733acbb2..de19770f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@globus/sdk",
-  "version": "6.3.1",
+  "version": "6.4.0",
   "description": "The Globus SDK for JavaScript",
   "main": "dist/cjs/index.js",
   "module": "dist/esm/index.js",
diff --git a/src/core/info/version.ts b/src/core/info/version.ts
index d006eed1..ac01da7a 100644
--- a/src/core/info/version.ts
+++ b/src/core/info/version.ts
@@ -1,3 +1,3 @@
 // x-release-please-start-version
-export const VERSION = '6.3.1';
+export const VERSION = '6.4.0';
 // x-release-please-end