diff --git a/.props/_GlobalStaticVersion.props b/.props/_GlobalStaticVersion.props
index e189ce104e..60fc075034 100644
--- a/.props/_GlobalStaticVersion.props
+++ b/.props/_GlobalStaticVersion.props
@@ -11,9 +11,9 @@
       Update for every public release. 
     -->
     <SemanticVersionMajor>2</SemanticVersionMajor>
-    <SemanticVersionMinor>20</SemanticVersionMinor> <!-- If changing the Minor version, also update the Date value. -->
+    <SemanticVersionMinor>21</SemanticVersionMinor> <!-- If changing the Minor version, also update the Date value. -->
     <SemanticVersionPatch>0</SemanticVersionPatch>
-    <PreReleaseMilestone></PreReleaseMilestone> <!--Valid values: beta1, beta2, EMPTY for stable -->
+    <PreReleaseMilestone>beta1</PreReleaseMilestone> <!--Valid values: beta1, beta2, EMPTY for stable -->
     <PreReleaseMilestone Condition="'$(Redfield)' == 'True'">redfield</PreReleaseMilestone>
     <PreReleaseMilestone Condition="'$(NightlyBuild)' == 'True'">nightly</PreReleaseMilestone> <!-- Overwrite this property for nightly builds from the DEVELOP branch. -->
     <!-- 
@@ -23,7 +23,7 @@
       as it will restart file versions so 2.4.0-beta1 may have higher 
       file version (like 2.4.0.2222) than 2.4.0-beta2 (like 2.4.0.1111)
     -->
-    <SemanticVersionDate>2021-10-25</SemanticVersionDate>
+    <SemanticVersionDate>2021-12-17</SemanticVersionDate>
 
     <!--
       BuildNumber uniquely identifies all builds (The max allowed value is UInt16.MaxValue = 65535).
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9bde94bd3..63f219d1d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 
 ## VNext
+
+
+## Version 2.21.0-beta1
 - [Support IPv6 in request headers](https://github.com/microsoft/ApplicationInsights-dotnet/issues/2521)
 - [Validate exception stack trace line numbers to comply with endpoint restrictions.](https://github.com/microsoft/ApplicationInsights-dotnet/issues/2482)
 - [Removed redundant memory allocations and processing in PartialSuccessTransmissionPolicy for ingestion sampling cases](https://github.com/microsoft/ApplicationInsights-dotnet/issues/2445)