diff --git a/sdk/core/Azure.Core.Experimental/CHANGELOG.md b/sdk/core/Azure.Core.Experimental/CHANGELOG.md
index 2b3c1e0b3658d..1234fed0a45b8 100644
--- a/sdk/core/Azure.Core.Experimental/CHANGELOG.md
+++ b/sdk/core/Azure.Core.Experimental/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+## 0.1.0-preview.29 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 0.1.0-preview.28 (2023-07-11)
 
 ### Breaking Changes
diff --git a/sdk/core/Azure.Core.Experimental/src/Azure.Core.Experimental.csproj b/sdk/core/Azure.Core.Experimental/src/Azure.Core.Experimental.csproj
index 28f498dce9617..00ae70b8e69e0 100644
--- a/sdk/core/Azure.Core.Experimental/src/Azure.Core.Experimental.csproj
+++ b/sdk/core/Azure.Core.Experimental/src/Azure.Core.Experimental.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Experimental types that might eventually move to Azure.Core</Description>
     <AssemblyTitle>Microsoft Azure Client Pipeline Experimental Extensions</AssemblyTitle>
-    <Version>0.1.0-preview.28</Version>
+    <Version>0.1.0-preview.29</Version>
     <PackageTags>Microsoft Azure Client Pipeline</PackageTags>
     <Nullable>enable</Nullable>
     <TargetFrameworks>$(RequiredTargetFrameworks);net461;net6.0</TargetFrameworks>
diff --git a/sdk/core/Azure.Core/CHANGELOG.md b/sdk/core/Azure.Core/CHANGELOG.md
index 140270b89e304..a2318c735a212 100644
--- a/sdk/core/Azure.Core/CHANGELOG.md
+++ b/sdk/core/Azure.Core/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Release History
 
+## 1.35.0-beta.1 (Unreleased)
+
+### Features Added
+
+### Breaking Changes
+
+### Bugs Fixed
+
+### Other Changes
+
 ## 1.34.0 (2023-07-11)
 
 ### Features Added
diff --git a/sdk/core/Azure.Core/src/Azure.Core.csproj b/sdk/core/Azure.Core/src/Azure.Core.csproj
index 942282b5d90d4..5442dd31e5c26 100644
--- a/sdk/core/Azure.Core/src/Azure.Core.csproj
+++ b/sdk/core/Azure.Core/src/Azure.Core.csproj
@@ -1,10 +1,10 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description>This is the implementation of the Azure Client Pipeline</Description>
     <AssemblyTitle>Microsoft Azure Client Pipeline</AssemblyTitle>
-    <Version>1.34.0</Version>
+    <Version>1.35.0-beta.1</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
-    <ApiCompatVersion>1.33.0</ApiCompatVersion>
+    <ApiCompatVersion>1.34.0</ApiCompatVersion>
     <PackageTags>Microsoft Azure Client Pipeline</PackageTags>
     <Nullable>enable</Nullable>
     <DefineConstants>$(DefineConstants);AZURE_NULLABLE;HAS_INTERNALS_VISIBLE_CORE</DefineConstants>