diff --git a/sdk/communication/Azure.Communication.Messages/CHANGELOG.md b/sdk/communication/Azure.Communication.Messages/CHANGELOG.md
index ed2a2707d7697..213f1788c1d7f 100644
--- a/sdk/communication/Azure.Communication.Messages/CHANGELOG.md
+++ b/sdk/communication/Azure.Communication.Messages/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+## 1.2.0-beta.1 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 1.1.0 (2024-10-18)
 
 ### Features Added
diff --git a/sdk/communication/Azure.Communication.Messages/src/Azure.Communication.Messages.csproj b/sdk/communication/Azure.Communication.Messages/src/Azure.Communication.Messages.csproj
index bffd6215a6a6d..c0822883c897b 100644
--- a/sdk/communication/Azure.Communication.Messages/src/Azure.Communication.Messages.csproj
+++ b/sdk/communication/Azure.Communication.Messages/src/Azure.Communication.Messages.csproj
@@ -1,13 +1,13 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <Description>
       This client library enables working with the Microsoft Azure Communication Messages service.
     </Description>
     <AssemblyTitle>Azure Communication Messages Service</AssemblyTitle>
-    <Version>1.1.0</Version>
+    <Version>1.2.0-beta.1</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
-    <ApiCompatVersion>1.0.0</ApiCompatVersion>
+    <ApiCompatVersion>1.1.0</ApiCompatVersion>
     <PackageTags>Microsoft Azure Communication Messages Service;Microsoft;Azure;Azure Communication Service;Azure Communication Messages Service;Messages;Communication</PackageTags>
     <TargetFrameworks>$(RequiredTargetFrameworks)</TargetFrameworks>
     <IncludeOperationsSharedSource>true</IncludeOperationsSharedSource>