diff --git a/sdk/core/core-auth/CHANGELOG.md b/sdk/core/core-auth/CHANGELOG.md
index 1c0d0862454c..15c146a5e5ec 100644
--- a/sdk/core/core-auth/CHANGELOG.md
+++ b/sdk/core/core-auth/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Release History
 
+## 1.2.1 (Unreleased)
+
+
 ## 1.2.0 (2021-02-08)
 
 - Add `AzureSASCredential` and `SASCredential` for use by service clients which allow authenticiation using a shared access signature.
diff --git a/sdk/core/core-auth/package.json b/sdk/core/core-auth/package.json
index f21cb5f8d562..2daae59d4172 100644
--- a/sdk/core/core-auth/package.json
+++ b/sdk/core/core-auth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@azure/core-auth",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Provides low-level interfaces and helper methods for authentication in Azure SDK",
   "sdk-type": "client",
   "main": "dist/index.js",