diff --git a/lib/version.js b/lib/version.js
index a39338fe..4a7cb62d 100644
--- a/lib/version.js
+++ b/lib/version.js
@@ -1 +1 @@
-module.exports = '2.2.2';
+module.exports = '2.2.3-pre';
diff --git a/package.json b/package.json
index 994b16ec..200449c0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@dagrejs/graphlib",
-  "version": "2.2.2",
+  "version": "2.2.3-pre",
   "description": "A directed and undirected multi-graph library",
   "author": "Chris Pettitt <cpettitt@gmail.com>",
   "license": "MIT",
@@ -47,4 +47,4 @@
     "type": "git",
     "url": "https://github.com/dagrejs/graphlib.git"
   }
-}
+}
\ No newline at end of file