diff --git a/dotnet/nuget/nuget-package.props b/dotnet/nuget/nuget-package.props
index c87a80361b..3d7e04c3f8 100644
--- a/dotnet/nuget/nuget-package.props
+++ b/dotnet/nuget/nuget-package.props
@@ -2,9 +2,11 @@
   <PropertyGroup>
     <!-- Central version prefix - applies to all nuget packages. -->
     <VersionPrefix>1.0.0</VersionPrefix>
-    <PackageVersion Condition="'$(VersionSuffix)' != ''">$(VersionPrefix)-$(VersionSuffix).260212.1</PackageVersion>
-    <PackageVersion Condition="'$(VersionSuffix)' == ''">$(VersionPrefix)-preview.260212.1</PackageVersion>
-    <GitTag>1.0.0-preview.260212.1</GitTag>
+    <RCNumber>1</RCNumber>
+    <PackageVersion Condition="'$(IsReleaseCandidate)' == 'true'">$(VersionPrefix)-rc$(RCNumber)</PackageVersion>
+    <PackageVersion Condition="'$(IsReleaseCandidate)' != 'true' AND '$(VersionSuffix)' != ''">$(VersionPrefix)-$(VersionSuffix).260219.1</PackageVersion>
+    <PackageVersion Condition="'$(IsReleaseCandidate)' != 'true' AND '$(VersionSuffix)' == ''">$(VersionPrefix)-preview.260219.1</PackageVersion>
+    <GitTag>1.0.0-rc1</GitTag>
 
     <Configurations>Debug;Release;Publish</Configurations>
     <IsPackable>true</IsPackable>
diff --git a/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj b/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj
index 8463a0e407..e31093e174 100644
--- a/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Abstractions/Microsoft.Agents.AI.Abstractions.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <RootNamespace>Microsoft.Agents.AI</RootNamespace>
     <NoWarn>$(NoWarn);MEAI001</NoWarn>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/dotnet/src/Microsoft.Agents.AI.Anthropic/Microsoft.Agents.AI.Anthropic.csproj b/dotnet/src/Microsoft.Agents.AI.Anthropic/Microsoft.Agents.AI.Anthropic.csproj
index 60b90a0212..0cd6eeb37d 100644
--- a/dotnet/src/Microsoft.Agents.AI.Anthropic/Microsoft.Agents.AI.Anthropic.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Anthropic/Microsoft.Agents.AI.Anthropic.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <ImplicitUsings>enable</ImplicitUsings>
     <InjectSharedThrow>true</InjectSharedThrow>
   </PropertyGroup>
diff --git a/dotnet/src/Microsoft.Agents.AI.AzureAI/Microsoft.Agents.AI.AzureAI.csproj b/dotnet/src/Microsoft.Agents.AI.AzureAI/Microsoft.Agents.AI.AzureAI.csproj
index 3b4631a63b..2fde79e32b 100644
--- a/dotnet/src/Microsoft.Agents.AI.AzureAI/Microsoft.Agents.AI.AzureAI.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.AzureAI/Microsoft.Agents.AI.AzureAI.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <ImplicitUsings>enable</ImplicitUsings>
     <InjectSharedThrow>true</InjectSharedThrow>
   </PropertyGroup>
diff --git a/dotnet/src/Microsoft.Agents.AI.Declarative/Microsoft.Agents.AI.Declarative.csproj b/dotnet/src/Microsoft.Agents.AI.Declarative/Microsoft.Agents.AI.Declarative.csproj
index 3b75b63236..8941d28204 100644
--- a/dotnet/src/Microsoft.Agents.AI.Declarative/Microsoft.Agents.AI.Declarative.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Declarative/Microsoft.Agents.AI.Declarative.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <NoWarn>$(NoWarn);MEAI001</NoWarn>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
diff --git a/dotnet/src/Microsoft.Agents.AI.OpenAI/Microsoft.Agents.AI.OpenAI.csproj b/dotnet/src/Microsoft.Agents.AI.OpenAI/Microsoft.Agents.AI.OpenAI.csproj
index 6e1947418b..6bc976d33f 100644
--- a/dotnet/src/Microsoft.Agents.AI.OpenAI/Microsoft.Agents.AI.OpenAI.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.OpenAI/Microsoft.Agents.AI.OpenAI.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <ImplicitUsings>enable</ImplicitUsings>
     <InjectSharedThrow>true</InjectSharedThrow>
   </PropertyGroup>
diff --git a/dotnet/src/Microsoft.Agents.AI.Purview/Microsoft.Agents.AI.Purview.csproj b/dotnet/src/Microsoft.Agents.AI.Purview/Microsoft.Agents.AI.Purview.csproj
index 75c19ad7c9..559c9be5ba 100644
--- a/dotnet/src/Microsoft.Agents.AI.Purview/Microsoft.Agents.AI.Purview.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Purview/Microsoft.Agents.AI.Purview.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>alpha</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative.AzureAI/Microsoft.Agents.AI.Workflows.Declarative.AzureAI.csproj b/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative.AzureAI/Microsoft.Agents.AI.Workflows.Declarative.AzureAI.csproj
index 1370b6fdca..5bf9f6d29e 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative.AzureAI/Microsoft.Agents.AI.Workflows.Declarative.AzureAI.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative.AzureAI/Microsoft.Agents.AI.Workflows.Declarative.AzureAI.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <NoWarn>$(NoWarn);MEAI001;OPENAI001</NoWarn>
   </PropertyGroup>
 
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative/Microsoft.Agents.AI.Workflows.Declarative.csproj b/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative/Microsoft.Agents.AI.Workflows.Declarative.csproj
index 0f8bb826a9..b8b32f3b06 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative/Microsoft.Agents.AI.Workflows.Declarative.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows.Declarative/Microsoft.Agents.AI.Workflows.Declarative.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <NoWarn>$(NoWarn);MEAI001;OPENAI001</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup>
     <InjectSharedThrow>true</InjectSharedThrow>
     <InjectIsExternalInitOnLegacy>true</InjectIsExternalInitOnLegacy>
-    <InjectTrimAttributesOnLegacy>true</InjectTrimAttributesOnLegacy>    
+    <InjectTrimAttributesOnLegacy>true</InjectTrimAttributesOnLegacy>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows.Generators/Microsoft.Agents.AI.Workflows.Generators.csproj b/dotnet/src/Microsoft.Agents.AI.Workflows.Generators/Microsoft.Agents.AI.Workflows.Generators.csproj
index 82a1b0adef..d738fedf40 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows.Generators/Microsoft.Agents.AI.Workflows.Generators.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows.Generators/Microsoft.Agents.AI.Workflows.Generators.csproj
@@ -29,7 +29,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj b/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj
index d01e3de970..27269eb598 100644
--- a/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj
+++ b/dotnet/src/Microsoft.Agents.AI.Workflows/Microsoft.Agents.AI.Workflows.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <NoWarn>$(NoWarn);MEAI001</NoWarn>
   </PropertyGroup>
 
diff --git a/dotnet/src/Microsoft.Agents.AI/Microsoft.Agents.AI.csproj b/dotnet/src/Microsoft.Agents.AI/Microsoft.Agents.AI.csproj
index 0a9eec9763..a994afe75c 100644
--- a/dotnet/src/Microsoft.Agents.AI/Microsoft.Agents.AI.csproj
+++ b/dotnet/src/Microsoft.Agents.AI/Microsoft.Agents.AI.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <VersionSuffix>preview</VersionSuffix>
+    <IsReleaseCandidate>true</IsReleaseCandidate>
     <NoWarn>$(NoWarn);MEAI001</NoWarn>
   </PropertyGroup>