diff --git a/CHANGES.md b/CHANGES.md
index 721307c..e2e6355 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # bunyan Changelog
 
+## 1.6.1
+
+- Copying the options object given from the caller as it may be immutable and we like to change things, set defaults, etc.
+
 ## 1.6.0
 
 - Support writing logs that aren't in bunyan's normal JSON format. Or JSON at all.
diff --git a/package.json b/package.json
index 40a1f00..12d113c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bunyan-rotating-file-stream",
-  "version": "1.6.0",
+  "version": "1.6.1",
   "description": "a rotating file stream for the bunyan logging system",
   "author": "Jim Tupper <npm@tupper.org.uk> (http://github.com/rcomian)",
   "main": "./index.js",