diff --git a/package-lock.json b/package-lock.json
index 25be4804c..c05f8a5a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "version": "9.1.1",
+  "version": "9.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 2cdf95594..b613b8daf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "private": true,
-  "version": "9.1.1",
+  "version": "9.1.0",
   "scripts": {
     "version": "script/version",
     "test": "ava tests/*.js",