diff --git a/KmsInventory/composer.json b/KmsInventory/composer.json
index 95657cf0c956..004dee7f52e8 100644
--- a/KmsInventory/composer.json
+++ b/KmsInventory/composer.json
@@ -19,7 +19,7 @@
     "require": {
         "php": "^8.0",
         "google/gax": "^1.34.0",
-        "google/cloud-kms": "^1.15"
+        "google/cloud-kms": "^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.0"