diff --git a/Directory.Build.props b/Directory.Build.props
index b642a379ad..61c010d63b 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -12,8 +12,8 @@
     <SolutionDir>$(MSBuildThisFileDirectory)</SolutionDir>
     <AccelerateBuildsInVisualStudio>true</AccelerateBuildsInVisualStudio>
 
-    <VersionFile>4.12.0</VersionFile>
-    <VersionPrefix>4.12.0</VersionPrefix>
+    <VersionFile>4.12.1</VersionFile>
+    <VersionPrefix>4.12.1</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <AssemblyVersion>$(VersionFile)</AssemblyVersion>
     <FileVersion>$(VersionFile)</FileVersion>
diff --git a/WHATSNEW.md b/WHATSNEW.md
index 039b033b2d..b69848c83a 100644
--- a/WHATSNEW.md
+++ b/WHATSNEW.md
@@ -1,3 +1,5 @@
+## V4.12.1
+
 ## V4.12.0
 
 ### General
diff --git a/eng/pipelines/version.yml b/eng/pipelines/version.yml
index 539ca926ef..c5636248a7 100644
--- a/eng/pipelines/version.yml
+++ b/eng/pipelines/version.yml
@@ -2,5 +2,5 @@ variables:
   # File and Package version
   # dev  branch: 1.2.4-Preview-23282-1'    (PackageSuffix is always ignored in Dev branch)
   # main branch: 1.2.4-RC.1'               (PackageSuffix is ignored, if empty, in Main branch)
-  FileVersion: '4.12.0'   # Set the next final version here.
+  FileVersion: '4.12.1'   # Set the next final version here.
   PackageSuffix: ''
diff --git a/examples/Demo/Shared/wwwroot/docs/WhatsNew.md b/examples/Demo/Shared/wwwroot/docs/WhatsNew.md
index 039b033b2d..6eabb5d9bd 100644
--- a/examples/Demo/Shared/wwwroot/docs/WhatsNew.md
+++ b/examples/Demo/Shared/wwwroot/docs/WhatsNew.md
@@ -1,3 +1,6 @@
+## V4.12.1
+
+
 ## V4.12.0
 
 ### General