diff --git a/sdk/azcore/CHANGELOG.md b/sdk/azcore/CHANGELOG.md
index d2691dbc2ce4..8ee406aab16a 100644
--- a/sdk/azcore/CHANGELOG.md
+++ b/sdk/azcore/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+## 0.21.1 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 0.21.0 (2022-01-11)
 
 ### Features Added
diff --git a/sdk/azcore/internal/shared/constants.go b/sdk/azcore/internal/shared/constants.go
index 50e07ccab19c..54b04f68b079 100644
--- a/sdk/azcore/internal/shared/constants.go
+++ b/sdk/azcore/internal/shared/constants.go
@@ -35,5 +35,5 @@ const (
 	Module = "azcore"
 
 	// Version is the semantic version (see http://semver.org) of this module.
-	Version = "v0.21.0"
+	Version = "v0.21.1"
 )