diff --git a/history.md b/history.md
index ce19879f..36bf1993 100644
--- a/history.md
+++ b/history.md
@@ -2,6 +2,11 @@
 
 <!--lint disable no-multiple-toplevel-headings-->
 
+4.2.1 / 2016-08-02
+==================
+
+*   Refactor to simplify completion handling ([`292cc0d`](https://github.com/wooorm/unified/commit/292cc0d))
+
 4.2.0 / 2016-08-01
 ==================
 
diff --git a/package.json b/package.json
index 5f87f9df..5a8a000f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "unified",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "Pluggable text processing interface",
   "license": "MIT",
   "keywords": [