diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ee4b2868e..720d90b647 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ release.
   ([#1239](https://github.com/open-telemetry/opentelemetry-demo/pull/1239))
 * update PHP quoteservice to use 1.0.0
   ([#1236](https://github.com/open-telemetry/opentelemetry-demo/pull/1236))
+* update .NET cartservice to .NET 7.0
+  ([#1269](https://github.com/open-telemetry/opentelemetry-demo/pull/1269))
 
 ## 1.6.0
 
diff --git a/src/cartservice/src/cartservice.csproj b/src/cartservice/src/cartservice.csproj
index 3f9e98e27b..19abfc1ae3 100644
--- a/src/cartservice/src/cartservice.csproj
+++ b/src/cartservice/src/cartservice.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <ProduceReferenceAssembly>false</ProduceReferenceAssembly>
     <StaticWebAssetsEnabled>false</StaticWebAssetsEnabled>
   </PropertyGroup>
diff --git a/src/cartservice/tests/cartservice.tests.csproj b/src/cartservice/tests/cartservice.tests.csproj
index 7f68649279..8f5b1d2e2a 100644
--- a/src/cartservice/tests/cartservice.tests.csproj
+++ b/src/cartservice/tests/cartservice.tests.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc.Net.Client" Version="2.57.0" />
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="7.0.13" />
+    <PackageReference Include="Grpc.Net.Client" Version="2.58.0" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="7.0.14" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
     <PackageReference Include="xunit" Version="2.6.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">