diff --git a/composer.lock b/composer.lock
index b4ea781..c66bdce 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,16 +8,16 @@
     "packages": [
         {
             "name": "stripe/stripe-php",
-            "version": "v21.2.1",
+            "version": "v21.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/stripe/stripe-php.git",
-                "reference": "da798f6224c5ff6f89d8d78025044f418ee27db8"
+                "reference": "fe99159b9ee0a74be3c12c0305e5338e0b9905c3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/stripe/stripe-php/zipball/da798f6224c5ff6f89d8d78025044f418ee27db8",
-                "reference": "da798f6224c5ff6f89d8d78025044f418ee27db8",
+                "url": "https://api.github.com/repos/stripe/stripe-php/zipball/fe99159b9ee0a74be3c12c0305e5338e0b9905c3",
+                "reference": "fe99159b9ee0a74be3c12c0305e5338e0b9905c3",
                 "shasum": ""
             },
             "require": {
@@ -64,9 +64,9 @@
             ],
             "support": {
                 "issues": "https://github.com/stripe/stripe-php/issues",
-                "source": "https://github.com/stripe/stripe-php/tree/v21.2.1"
+                "source": "https://github.com/stripe/stripe-php/tree/v21.3.0"
             },
-            "time": "2026-08-20T21:06:13+00:00"
+            "time": "2026-08-27T04:12:06+00:00"
         }
     ],
     "packages-dev": [],