diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4bd3f0..b639fda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,11 +2,11 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 0.2.1 - TBD
+## 1.0.0 - 2019-12-31
 
 ### Added
 
-- Nothing.
+- First stable release.
 
 ### Changed
 
diff --git a/composer.json b/composer.json
index 079259e..027cb9a 100644
--- a/composer.json
+++ b/composer.json
@@ -29,6 +29,10 @@
         }
     },
     "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev",
+            "dev-develop": "1.1.x-dev"
+        },
         "class": "Laminas\\DependencyPlugin\\DependencyRewriterPlugin"
     },
     "scripts": {