diff --git a/sdk/core/azure-core/CHANGELOG.md b/sdk/core/azure-core/CHANGELOG.md
index 9c83b3d17..4f9f7ddb1 100644
--- a/sdk/core/azure-core/CHANGELOG.md
+++ b/sdk/core/azure-core/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Release History
 
+## 1.0.0-beta.9 (Unreleased)
+
+
 ## 1.0.0-beta.8 (2021-04-07)
 
 ### New Features
diff --git a/sdk/core/azure-core/inc/azure/core/version.hpp b/sdk/core/azure-core/inc/azure/core/version.hpp
index a2bc7dc3b..82db824c0 100644
--- a/sdk/core/azure-core/inc/azure/core/version.hpp
+++ b/sdk/core/azure-core/inc/azure/core/version.hpp
@@ -15,7 +15,7 @@
 #define AZURE_CORE_VERSION_MAJOR 1
 #define AZURE_CORE_VERSION_MINOR 0
 #define AZURE_CORE_VERSION_PATCH 0
-#define AZURE_CORE_VERSION_PRERELEASE "beta.8"
+#define AZURE_CORE_VERSION_PRERELEASE "beta.9"
 
 namespace Azure { namespace Core { namespace _detail {