diff --git a/package.json b/package.json
index e0b727ec..b1d167ab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "prom-client",
-  "version": "9.1.1",
+  "version": "10.0.0",
   "description": "Client for prometheus",
   "main": "index.js",
   "files": [