diff --git a/sdk/core/azure-core/CHANGELOG.md b/sdk/core/azure-core/CHANGELOG.md
index 1f82bb3b8..21b434168 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.5 (Unreleased)
+
+
 ## 1.0.0-beta.4 (2021-01-13)
 
 ### 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 9ac5ad39e..b18709340 100644
--- a/sdk/core/azure-core/inc/azure/core/version.hpp
+++ b/sdk/core/azure-core/inc/azure/core/version.hpp
@@ -13,7 +13,7 @@
 #define AZURE_CORE_VERSION_MAJOR 1
 #define AZURE_CORE_VERSION_MINOR 0
 #define AZURE_CORE_VERSION_PATCH 0
-#define AZURE_CORE_VERSION_PRERELEASE "beta.4"
+#define AZURE_CORE_VERSION_PRERELEASE "beta.5"
 
 namespace Azure { namespace Core { namespace Details {