diff --git a/specification/cosmos-db/resource-manager/readme.md b/specification/cosmos-db/resource-manager/readme.md
index d9617da3e4c9..c4a77c04ae8b 100644
--- a/specification/cosmos-db/resource-manager/readme.md
+++ b/specification/cosmos-db/resource-manager/readme.md
@@ -27,7 +27,7 @@ These are the global settings for the Cosmos-DB API.
 ``` yaml
 title: CosmosDBManagementClient
 openapi-type: arm
-tag: package-2019-12
+tag: package-2020-03
 ```
 
 ### Tag: package-2020-03