diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3efb333..50957b67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file
 automatically by Versionist. DO NOT EDIT THIS FILE MANUALLY!
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## v6.6.6 - 2018-02-27
+
+* Update docker-delta to 2.0.4 #558 [Akis Kesoglou]
+
 ## v6.6.5 - 2018-02-21
 
 * Circle.yml: escape branch name to ensure we always have a valid tag #556 [Pablo Carranza Velez]
diff --git a/package.json b/package.json
index e5e83c7c..769dd986 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "resin-supervisor",
   "description": "This is resin.io's Supervisor, a program that runs on IoT devices and has the task of running user Apps (which are Docker containers), and updating them as Resin's API informs it to.",
-  "version": "6.6.5",
+  "version": "6.6.6",
   "license": "Apache-2.0",
   "repository": {
     "type": "git",
@@ -28,7 +28,7 @@
     "buffer-equal-constant-time": "^1.0.1",
     "coffee-loader": "^0.7.3",
     "coffee-script": "~1.11.0",
-    "docker-delta": "^2.0.3",
+    "docker-delta": "^2.0.4",
     "docker-progress": "^2.7.2",
     "docker-toolbelt": "^3.2.1",
     "event-stream": "^3.0.20",