diff --git a/src/cartservice/src/Dockerfile b/src/cartservice/src/Dockerfile
index 29815c0b6..826ff97a5 100644
--- a/src/cartservice/src/Dockerfile
+++ b/src/cartservice/src/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # https://mcr.microsoft.com/product/dotnet/sdk
-FROM mcr.microsoft.com/dotnet/sdk:8.0.401-noble@sha256:d37cbb248b78027e3f149ea422bc9dc3bbf5b8c47bd1150e14c9849462235e91 AS builder
+FROM mcr.microsoft.com/dotnet/sdk:9.0.100-noble@sha256:3bdd7f7fd595373d049c724f3a05ec8a8d9e27da05ba9cbe3ca6e0f3cc001e50 AS builder
 WORKDIR /app
 COPY cartservice.csproj .
 RUN dotnet restore cartservice.csproj \
@@ -29,7 +29,7 @@ RUN dotnet publish cartservice.csproj \
     -o /cartservice
 
 # https://mcr.microsoft.com/product/dotnet/runtime-deps
-FROM mcr.microsoft.com/dotnet/runtime-deps:8.0.8-noble-chiseled@sha256:3cb2df1c71b529442df921684a4ab27699d986bfa1558caf336501e224c56ee5
+FROM mcr.microsoft.com/dotnet/runtime-deps:9.0.0-noble-chiseled@sha256:5cc893809e2d2869e1a98c1eecc4c6ff6978d53bc3e5342014eff28a058867a4
 
 WORKDIR /app
 COPY --from=builder /cartservice .
diff --git a/src/cartservice/src/Dockerfile.debug b/src/cartservice/src/Dockerfile.debug
index 84322249c..a8ff8ddd5 100644
--- a/src/cartservice/src/Dockerfile.debug
+++ b/src/cartservice/src/Dockerfile.debug
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0@sha256:c9966505b18c198b7b5000b07ec3c7102bc257de580be270ce39ec278d549ef8 AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0@sha256:6125486580cdf529a2a337d51c5557af08eaa04ef08b04f5b1d5a94f6bec7f1a AS build
 WORKDIR /app
 COPY . .
 RUN dotnet restore cartservice.csproj
@@ -22,7 +22,7 @@ FROM build AS publish
 RUN dotnet publish cartservice.csproj -c Debug -o /out
 
 # Building final image used in running container
-FROM mcr.microsoft.com/dotnet/aspnet:8.0@sha256:11d6f2f1d19520b98ee8417c2420a467690e8a0a4b9a6951a124840286536f89 AS final
+FROM mcr.microsoft.com/dotnet/aspnet:9.0@sha256:d8f01f752bf9bd3ff630319181a2ccfbeecea4080a1912095a34002f61bfa345 AS final
 # Installing procps on the container to enable debugging of .NET Core
 RUN apt-get update \
     && apt-get install -y unzip procps wget
diff --git a/src/cartservice/src/cartservice.csproj b/src/cartservice/src/cartservice.csproj
index 3005f86d7..8262a58ce 100644
--- a/src/cartservice/src/cartservice.csproj
+++ b/src/cartservice/src/cartservice.csproj
@@ -7,7 +7,7 @@
   <ItemGroup>
     <PackageReference Include="Grpc.AspNetCore" Version="2.65.0" />
     <PackageReference Include="Grpc.HealthCheck" Version="2.65.0" />
-    <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="8.0.8" />
+    <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="9.0.0" />
     <PackageReference Include="Google.Cloud.Spanner.Data" Version="4.6.0" />
     <PackageReference Include="Npgsql" Version="8.0.3" />
     <PackageReference Include="Google.Cloud.SecretManager.V1" Version="2.5.0" />
diff --git a/src/cartservice/tests/cartservice.tests.csproj b/src/cartservice/tests/cartservice.tests.csproj
index 055807838..42888e8d2 100644
--- a/src/cartservice/tests/cartservice.tests.csproj
+++ b/src/cartservice/tests/cartservice.tests.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Grpc.Net.Client" Version="2.65.0" />
-    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.8" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="9.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
     <PackageReference Include="xunit" Version="2.9.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />