diff --git a/CHANGELOG.md b/CHANGELOG.md
index c40b0d4..57fb519 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+<a name="0.5.9"></a>
+## [0.5.9](https://github.com/libp2p/interface-stream-muxer/compare/v0.5.8...v0.5.9) (2017-12-14)
+
+
+
 <a name="0.5.8"></a>
 ## [0.5.8](https://github.com/libp2p/interface-stream-muxer/compare/v0.5.7...v0.5.8) (2017-12-14)
 
diff --git a/package.json b/package.json
index d8b5307..bea1f54 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "interface-stream-muxer",
-  "version": "0.5.8",
+  "version": "0.5.9",
   "description": "A test suite and interface you can use to implement a stream muxer.",
   "main": "src/index.js",
   "browser": {