diff --git a/packages/unlock-js/CHANGELOG.md b/packages/unlock-js/CHANGELOG.md
index 8ff5da53a3c..57770fe73c6 100644
--- a/packages/unlock-js/CHANGELOG.md
+++ b/packages/unlock-js/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changes
 
+# 0.48.0
+
+- update `peerDependencies` to require `ethers` v6.
+
 # 0.47.0
 
 - using `purchasePriceFor` when possible in `getPurchaseKeysArguments`
diff --git a/packages/unlock-js/package.json b/packages/unlock-js/package.json
index 141974c0a1f..036ad0a34e2 100644
--- a/packages/unlock-js/package.json
+++ b/packages/unlock-js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@unlock-protocol/unlock-js",
-  "version": "0.47.0",
+  "version": "0.48.0",
   "description": "This module provides libraries to include Unlock APIs inside a Javascript application.",
   "main": "dist/index.js",
   "module": "dist/index.mjs",
@@ -30,7 +30,7 @@
   "license": "MIT",
   "peerDependencies": {
     "axios": "1.7.4",
-    "ethers": "5.7.2"
+    "ethers": "^6.13.0"
   },
   "devDependencies": {
     "@graphql-codegen/cli": "5.0.2",
diff --git a/yarn.lock b/yarn.lock
index 74900d5ccc1..1e9cfea1e8a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -20677,7 +20677,7 @@ __metadata:
     vitest: "npm:1.6.0"
   peerDependencies:
     axios: 1.7.4
-    ethers: 5.7.2
+    ethers: ^6.13.0
   languageName: unknown
   linkType: soft