diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b5b2f1..0984fe0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ Versions prior to 1.0 were originally released as `phly/conduit`; please visit
 its [CHANGELOG](https://github.com/phly/conduit/blob/master/CHANGELOG.md) for
 details.
 
-## 3.0.0 - TBD
+## 3.0.0 - 2018-03-15
 
 ### Added
 
diff --git a/composer.json b/composer.json
index 864d644..9f3a44e 100644
--- a/composer.json
+++ b/composer.json
@@ -58,9 +58,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.0-dev",
-            "dev-develop": "3.1-dev",
-            "dev-release-3.0.0": "3.0.x-dev"
+            "dev-master": "3.0.x-dev",
+            "dev-develop": "3.1.x-dev"
         }
     },
     "scripts": {
diff --git a/composer.lock b/composer.lock
index c638617..f316ba2 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": "b362b0bdd137d981039645e99c637403",
+    "content-hash": "feb250e0610cf49d6034108d63e7426d",
     "packages": [
         {
             "name": "fig/http-message-util",