diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7c65a739f..8fc312fd6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,8 +37,10 @@ the release.
   ([#1515](https://github.com/open-telemetry/opentelemetry-demo/pull/1486))
 * [frontend] Fix imageloading issues on optimized images. bump next.js version
   ([#1571](https://github.com/open-telemetry/opentelemetry-demo/pull/1571))
-* [cartservice] bump .NET package to 1.8.1 release
-  ([#1514](https://github.com/open-telemetry/opentelemetry-demo/pull/1514)), ([#1580](https://github.com/open-telemetry/opentelemetry-demo/pull/1580))
+* [cartservice] bump .NET package to 1.9.0 release
+  ([#1610](https://github.com/open-telemetry/opentelemetry-demo/pull/1610),
+   [#1514](https://github.com/open-telemetry/opentelemetry-demo/pull/1514),
+   [#1580](https://github.com/open-telemetry/opentelemetry-demo/pull/1580))
 * [kafka] Fix permission issue with the telemetry agent when running in docker compose
   ([#1574](https://github.com/open-telemetry/opentelemetry-demo/pull/1574))
 * [flagd] Add flagd service to minimal docker compose deployment
diff --git a/src/cartservice/src/Dockerfile b/src/cartservice/src/Dockerfile
index a312e5057c..e2a12e7e78 100644
--- a/src/cartservice/src/Dockerfile
+++ b/src/cartservice/src/Dockerfile
@@ -15,7 +15,7 @@
 # limitations under the License.
 
 # https://mcr.microsoft.com/v2/dotnet/sdk/tags/list
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0.202 AS builder
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0.302 AS builder
 ARG TARGETARCH
 
 WORKDIR /usr/src/app/
@@ -30,7 +30,7 @@ RUN dotnet publish ./src/cartservice.csproj -v d -r linux-musl-$TARGETARCH --no-
 # -----------------------------------------------------------------------------
 
 # https://mcr.microsoft.com/v2/dotnet/runtime-deps/tags/list
-FROM mcr.microsoft.com/dotnet/runtime-deps:8.0.3-alpine3.19
+FROM mcr.microsoft.com/dotnet/runtime-deps:8.0.6-alpine3.20
 
 WORKDIR /usr/src/app/
 COPY --from=builder /cartservice/ ./
diff --git a/src/cartservice/src/Program.cs b/src/cartservice/src/Program.cs
index 41340845ed..15baaa64df 100644
--- a/src/cartservice/src/Program.cs
+++ b/src/cartservice/src/Program.cs
@@ -13,8 +13,6 @@
 using OpenTelemetry.Instrumentation.StackExchangeRedis;
 using OpenTelemetry.Logs;
 using OpenTelemetry.Metrics;
-using OpenTelemetry.ResourceDetectors.Container;
-using OpenTelemetry.ResourceDetectors.Host;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
 using OpenFeature;
@@ -57,8 +55,8 @@
 
 Action<ResourceBuilder> appResourceBuilder =
     resource => resource
-        .AddDetector(new ContainerResourceDetector())
-        .AddDetector(new HostDetector());
+        .AddContainerDetector()
+        .AddHostDetector();
 
 builder.Services.AddOpenTelemetry()
     .ConfigureResource(appResourceBuilder)
diff --git a/src/cartservice/src/cartservice.csproj b/src/cartservice/src/cartservice.csproj
index 66b8fa23b0..ea7705e133 100644
--- a/src/cartservice/src/cartservice.csproj
+++ b/src/cartservice/src/cartservice.csproj
@@ -15,22 +15,22 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc.AspNetCore" Version="2.62.0" />
-    <PackageReference Include="Grpc.AspNetCore.HealthChecks" Version="2.62.0" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.8.1" />
-    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.8.1" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.8.1" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.8.0-beta.1" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.8.1" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.Process" Version="0.5.0-beta.5" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.StackExchangeRedis" Version="1.0.0-rc9.14" />
-    <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.8.0" />
-    <PackageReference Include="OpenTelemetry.ResourceDetectors.Container" Version="1.0.0-beta.7" />
-    <PackageReference Include="OpenTelemetry.ResourceDetectors.Host" Version="0.1.0-alpha.3" />
+    <PackageReference Include="Grpc.AspNetCore" Version="2.63.0" />
+    <PackageReference Include="Grpc.AspNetCore.HealthChecks" Version="2.63.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.9.0-beta.1" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Process" Version="0.5.0-beta.6" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.StackExchangeRedis" Version="1.0.0-rc9.15" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Resources.Container" Version="1.0.0-beta.8" />
+    <PackageReference Include="OpenTelemetry.Resources.Host" Version="0.1.0-beta.2" />
     <PackageReference Include="StackExchange.Redis" Version="2.7.33" />
-    <PackageReference Include="OpenFeature.Contrib.Providers.Flagd" Version="0.1.8" />
+    <PackageReference Include="OpenFeature.Contrib.Providers.Flagd" Version="0.1.9" />
     <PackageReference Include="OpenFeature.Contrib.Hooks.Otel" Version="0.1.4" />
-    <PackageReference Include="OpenFeature" Version="1.5.0" />
+    <PackageReference Include="OpenFeature" Version="1.5.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/cartservice/tests/cartservice.tests.csproj b/src/cartservice/tests/cartservice.tests.csproj
index c6226fa98e..4c7a083d85 100644
--- a/src/cartservice/tests/cartservice.tests.csproj
+++ b/src/cartservice/tests/cartservice.tests.csproj
@@ -5,11 +5,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc.Net.Client" Version="2.62.0" />
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.3" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="xunit" Version="2.7.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7">
+    <PackageReference Include="Grpc.Net.Client" Version="2.63.0" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.6" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+    <PackageReference Include="xunit" Version="2.8.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>