diff --git a/eng/Packages.Data.props b/eng/Packages.Data.props
index 09f160f0b230e..68e3b20746c67 100644
--- a/eng/Packages.Data.props
+++ b/eng/Packages.Data.props
@@ -66,8 +66,8 @@
     <PackageReference Update="Microsoft.CodeAnalysis" Version="2.3.0" />
     <PackageReference Update="Microsoft.DotNet.ApiCompat" Version="5.0.0-beta.20467.1" />
     <PackageReference Update="Microsoft.IdentityModel.Clients.ActiveDirectory" Version="4.5.1" />
-    <PackageReference Update="Microsoft.Identity.Client" Version="4.20.1" />
-    <PackageReference Update="Microsoft.Identity.Client.Extensions.Msal" Version="2.16.1" />
+    <PackageReference Update="Microsoft.Identity.Client" Version="4.21.0" />
+    <PackageReference Update="Microsoft.Identity.Client.Extensions.Msal" Version="2.16.2" />
     <PackageReference Update="Microsoft.NET.Test.Sdk" Version="16.1.0" />
     <PackageReference Update="Microsoft.NETCore.Platforms" Version="2.2.1" />
     <PackageReference Update="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.0" />
diff --git a/sdk/identity/Azure.Identity/CHANGELOG.md b/sdk/identity/Azure.Identity/CHANGELOG.md
index 1bcee28319282..9ebf8e0751d75 100644
--- a/sdk/identity/Azure.Identity/CHANGELOG.md
+++ b/sdk/identity/Azure.Identity/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Release History
-## 1.4.0-beta.1 (Unreleased)
+## 1.4.0-beta.1 (2020-10-15)
 
+### New Features
+- Redesigned Application Authentication APIs
+  - Adds `TokenCache` and `PersistentTokenCache` classes to give more user control over how the tokens are cached and how the cache is persisted.
+  - Adds `TokenCache` property to options for credentials supporting token cache configuration.
 
 ## 1.3.0-beta.2 (2020-10-07)