diff --git a/tools/data-mapper/Microsoft.Health.Tools.DataMapper/Microsoft.Health.Tools.DataMapper.csproj b/tools/data-mapper/Microsoft.Health.Tools.DataMapper/Microsoft.Health.Tools.DataMapper.csproj
index d95d330f..186b11e5 100644
--- a/tools/data-mapper/Microsoft.Health.Tools.DataMapper/Microsoft.Health.Tools.DataMapper.csproj
+++ b/tools/data-mapper/Microsoft.Health.Tools.DataMapper/Microsoft.Health.Tools.DataMapper.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <CodeAnalysisRuleSet>..\..\..\CustomAnalysisRules.ruleset</CodeAnalysisRuleSet>
     <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
     <TypeScriptToolsVersion>Latest</TypeScriptToolsVersion>
@@ -11,17 +11,17 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="3.1.13" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.13">
+    <PackageReference Include="Microsoft.AspNetCore.SpaServices.Extensions" Version="6.0.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.4" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="6.0.1" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.Text.Encodings.Web" Version="5.0.1" />
+    <PackageReference Include="System.Text.Encodings.Web" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tools/data-mapper/README.md b/tools/data-mapper/README.md
index f32e456d..d792009d 100644
--- a/tools/data-mapper/README.md
+++ b/tools/data-mapper/README.md
@@ -37,7 +37,7 @@ To check NodeJS installation, use below commands:
 
 ### Server
 
-- **.NET Core** version 3.1.9 and above
+- **.NET Core** version 6.0.0 and above
 
 To check .NET installation, use below commands: