diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..87b82fe
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## 1.0.0 (2025-02-26)
+
+
+### Features
+
+* **lib:** generate Bitly library from OpenAPI ([7669e2c](/~https://github.com/bitly-community/bitly-php/commit/7669e2c00490307934018ebd16e67a5d5f625270))
diff --git a/composer.json b/composer.json
index 94f924a..4d4bee9 100644
--- a/composer.json
+++ b/composer.json
@@ -59,5 +59,5 @@
             "vendor/bin/pest"
         ]
     },
-    "version": "1.0.0-alpha"
+    "version": "1.0.0"
 }