diff --git a/composer.json b/composer.json
index d66f452..6cb92e3 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "lob/lob-php",
-    "version": "4.2.1",
+    "version": "4.2.3",
     "description": "The Lob API is organized around REST. Our API is designed to have predictable, resource-oriented URLs and uses HTTP response codes to indicate any API errors.",
     "keywords": [
         "openapitools",