diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0926f4c8..a4fd0da4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 2.8.1 - TBD
+## 2.8.1 - 2018-01-22
 
 ### Added
 
diff --git a/composer.json b/composer.json
index f3a132e2..0a78d1cb 100644
--- a/composer.json
+++ b/composer.json
@@ -12,8 +12,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.8-dev",
-            "dev-develop": "2.9-dev"
+            "dev-master": "2.8.x-dev",
+            "dev-develop": "2.9.x-dev"
         },
         "zf": {
             "component": "Zend\\InputFilter",
diff --git a/composer.lock b/composer.lock
index ad2e5aa9..58d3d53d 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "a196590cd7d3030672e24bdb3c2cb1a3",
+    "content-hash": "ac89a57a6a22a9ec7d3063ec7eecd574",
     "packages": [
         {
             "name": "container-interop/container-interop",