diff --git a/sdk/storage/Azure.Storage.Blobs.Batch/CHANGELOG.md b/sdk/storage/Azure.Storage.Blobs.Batch/CHANGELOG.md
index 66a8a0a1a48bb..9ad214063792e 100644
--- a/sdk/storage/Azure.Storage.Blobs.Batch/CHANGELOG.md
+++ b/sdk/storage/Azure.Storage.Blobs.Batch/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+## 12.20.0-beta.1 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 12.19.1 (2024-10-10)
 
 ### Other Changes
diff --git a/sdk/storage/Azure.Storage.Blobs.Batch/src/Azure.Storage.Blobs.Batch.csproj b/sdk/storage/Azure.Storage.Blobs.Batch/src/Azure.Storage.Blobs.Batch.csproj
index 45326385c8c50..bfb089c010af0 100644
--- a/sdk/storage/Azure.Storage.Blobs.Batch/src/Azure.Storage.Blobs.Batch.csproj
+++ b/sdk/storage/Azure.Storage.Blobs.Batch/src/Azure.Storage.Blobs.Batch.csproj
@@ -4,9 +4,9 @@
   </PropertyGroup>
   <PropertyGroup>
     <AssemblyTitle>Microsoft Azure.Storage.Blobs.Batch client library</AssemblyTitle>
-    <Version>12.19.1</Version>
+    <Version>12.20.0-beta.1</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
-    <ApiCompatVersion>12.18.1</ApiCompatVersion>
+    <ApiCompatVersion>12.19.1</ApiCompatVersion>
     <DefineConstants>BlobSDK;$(DefineConstants)</DefineConstants>
     <PackageTags>Microsoft Azure Storage Blobs Batching;Batch blob;Batch operation;BlobBatchClient;BlobBatch;Microsoft;Azure;Blobs;Blob;Storage;StorageScalable;$(PackageCommonTags)</PackageTags>
     <Description>
diff --git a/sdk/storage/Azure.Storage.Files.Shares/CHANGELOG.md b/sdk/storage/Azure.Storage.Files.Shares/CHANGELOG.md
index 1be588848e002..cf4e4251861e5 100644
--- a/sdk/storage/Azure.Storage.Files.Shares/CHANGELOG.md
+++ b/sdk/storage/Azure.Storage.Files.Shares/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+## 12.21.0-beta.1 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 12.20.1 (2024-10-10)
 
 ### Other Changes
diff --git a/sdk/storage/Azure.Storage.Files.Shares/src/Azure.Storage.Files.Shares.csproj b/sdk/storage/Azure.Storage.Files.Shares/src/Azure.Storage.Files.Shares.csproj
index cc24cd7054360..e335ce243344e 100644
--- a/sdk/storage/Azure.Storage.Files.Shares/src/Azure.Storage.Files.Shares.csproj
+++ b/sdk/storage/Azure.Storage.Files.Shares/src/Azure.Storage.Files.Shares.csproj
@@ -4,9 +4,9 @@
   </PropertyGroup>
   <PropertyGroup>
     <AssemblyTitle>Microsoft Azure.Storage.Files.Shares client library</AssemblyTitle>
-    <Version>12.20.1</Version>
+    <Version>12.21.0-beta.1</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
-    <ApiCompatVersion>12.19.1</ApiCompatVersion>
+    <ApiCompatVersion>12.20.1</ApiCompatVersion>
     <DefineConstants>FileSDK;$(DefineConstants)</DefineConstants>
     <PackageTags>Microsoft Azure Storage Files;Microsoft;Azure;File;Files;Storage;StorageScalable;$(PackageCommonTags)</PackageTags>
     <DisableEnhancedAnalysis>true</DisableEnhancedAnalysis>