diff --git a/parametermanager/composer.json b/parametermanager/composer.json
index 925b837cc..2cc43a7f5 100644
--- a/parametermanager/composer.json
+++ b/parametermanager/composer.json
@@ -1,7 +1,7 @@
 {
   "require": {
     "google/cloud-kms": "^2.3",
-    "google/cloud-secret-manager": "^1.15.2",
+    "google/cloud-secret-manager": "^2.0.0",
     "google/cloud-parametermanager": "^0.2.0"
   }
 }