diff --git a/CHANGELOG.md b/CHANGELOG.md
index f09a2986f..90f62644f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 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.
 
+### [1.39.1](https://github.com/Uniswap/uniswap-smart-order-router/compare/v1.38.1...v1.39.1) (2021-09-15)
+
 ### [1.38.1](https://github.com/Uniswap/uniswap-smart-order-router/compare/v1.37.1...v1.38.1) (2021-09-14)
 
 ### [1.37.1](https://github.com/Uniswap/uniswap-smart-order-router/compare/v1.36.1...v1.37.1) (2021-09-14)
diff --git a/package-lock.json b/package-lock.json
index d436d0043..a7cda012f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@uniswap/smart-order-router",
-  "version": "1.38.1",
+  "version": "1.39.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@uniswap/smart-order-router",
-      "version": "1.38.0",
+      "version": "1.39.0",
       "license": "MIT",
       "dependencies": {
         "@bitauth/libauth": "^1.17.1",
diff --git a/package.json b/package.json
index 81024afc8..d0a25cbdd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@uniswap/smart-order-router",
-  "version": "1.38.1",
+  "version": "1.39.1",
   "description": "Uniswap Smart Order Router",
   "main": "build/main/index.js",
   "typings": "build/main/index.d.ts",