diff --git a/package-lock.json b/package-lock.json
index 3c4202124eb..5121980673c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "rollup",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 76dab603c00..e4202c869ee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rollup",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "description": "Next-generation ES module bundler",
   "main": "dist/rollup.js",
   "module": "dist/rollup.es.js",