diff --git a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/ClientOperations.cs b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/ClientOperations.cs
index 2a0f211808b991..fab17ecdc9966f 100644
--- a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/ClientOperations.cs
+++ b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/ClientOperations.cs
@@ -42,7 +42,8 @@ public RequestContext(Configuration config, HttpClient httpClient, Random random
         public int TaskNum { get; }
         public bool IsCancellationRequested { get; private set; }
 
-        public Version HttpVersion => _config.HttpVersion;
+        public Version HttpVersion => _client.DefaultRequestVersion;
+        public HttpVersionPolicy HttpVersionPolicy => _client.DefaultVersionPolicy;
         public int MaxRequestParameters => _config.MaxParameters;
         public int MaxRequestUriSize => _config.MaxRequestUriSize;
         public int MaxRequestHeaderCount => _config.MaxRequestHeaderCount;
@@ -54,6 +55,7 @@ public RequestContext(Configuration config, HttpClient httpClient, Random random
         public async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, HttpCompletionOption httpCompletion = HttpCompletionOption.ResponseContentRead, CancellationToken? token = null)
         {
             request.Version = HttpVersion;
+            request.VersionPolicy = HttpVersionPolicy;
 
             if (token != null)
             {
diff --git a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Dockerfile b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Dockerfile
index 00b1dd4e35e7e1..0c1b6031ec628b 100644
--- a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Dockerfile
+++ b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Dockerfile
@@ -1,12 +1,30 @@
-ARG SDK_BASE_IMAGE=mcr.microsoft.com/dotnet/nightly/sdk:5.0-buster-slim
+# use nightly build of 6.0 from main (Debian)
+ARG SDK_BASE_IMAGE=mcr.microsoft.com/dotnet/nightly/sdk:latest
 FROM $SDK_BASE_IMAGE
 
 RUN echo "DOTNET_SDK_VERSION="$DOTNET_SDK_VERSION
 RUN echo "DOTNET_VERSION="$DOTNET_VERSION
 
+# install dependencies of libmsquic.so
+RUN apt-get update -y \
+    && apt-get install -y \
+        liblttng-ust0 \
+        libatomic1 \
+        libc6 \
+    && apt-get clean
+
 WORKDIR /app
 COPY . .
 
+# pre-built msquic should be inside stress tests directory so we can copy it to container here
+COPY libmsquic.so /usr/share/dotnet/shared/Microsoft.NETCore.App/$DOTNET_VERSION/
+COPY libmsquic.lttng.so /usr/share/dotnet/shared/Microsoft.NETCore.App/$DOTNET_VERSION/
+
+# no need to rebuild whole clr+libs with "-b" argument, we can substitute specific dlls only
+# for that, pre-build locally for net6.0-Linux-Release, put inside stress tests directory and uncomment copy below
+# COPY System.Net.Quic.dll /usr/share/dotnet/shared/Microsoft.NETCore.App/$DOTNET_VERSION/
+# COPY System.Net.Http.dll /usr/share/dotnet/shared/Microsoft.NETCore.App/$DOTNET_VERSION/
+
 ARG CONFIGURATION=Release
 RUN dotnet build -c $CONFIGURATION
 
diff --git a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/HttpStress.csproj b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/HttpStress.csproj
index 57cbb0859dc804..53fe07184ca09c 100644
--- a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/HttpStress.csproj
+++ b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/HttpStress.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>
   </PropertyGroup>
@@ -13,6 +13,8 @@
     <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="System.CommandLine.Experimental" Version="0.3.0-alpha.19577.1" />
     <PackageReference Include="System.Net.Http.WinHttpHandler" Version="4.5.4" />
+
+    <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel.Transport.Quic" Version="6.0.0-preview.5.21301.17"/>
   </ItemGroup>
 
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressClient.cs b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressClient.cs
index 17db81103603dd..fe0a13360fd410 100644
--- a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressClient.cs
+++ b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressClient.cs
@@ -65,8 +65,8 @@ HttpMessageHandler CreateHttpHandler()
                 }
             }
 
-            return new HttpClient(CreateHttpHandler()) 
-            { 
+            return new HttpClient(CreateHttpHandler())
+            {
                 BaseAddress = _baseAddress,
                 Timeout = _config.DefaultTimeout,
                 DefaultRequestVersion = _config.HttpVersion,
@@ -283,7 +283,7 @@ public void RecordCancellation(int operationIndex, TimeSpan elapsed)
             public void RecordFailure(Exception exn, int operationIndex, TimeSpan elapsed, bool isCancelled, int taskNum, long iteration)
             {
                 DateTime timestamp = DateTime.Now;
-                
+
                 Interlocked.Increment(ref _totalRequests);
                 Interlocked.Increment(ref _failures[operationIndex]);
 
diff --git a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressServer.cs b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressServer.cs
index 6012965d2a5097..203b5fc2d9b28d 100644
--- a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressServer.cs
+++ b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/StressServer.cs
@@ -108,6 +108,10 @@ void ConfigureListenOptions(ListenOptions listenOptions)
                                 }
                                 listenOptions.UseHttps(cert);
                             }
+                            if (configuration.HttpVersion == new Version(3,0))
+                            {
+                                listenOptions.Protocols = HttpProtocols.Http3;
+                            }
                         }
                         else
                         {
@@ -118,6 +122,15 @@ void ConfigureListenOptions(ListenOptions listenOptions)
                         }
                     }
                 });
+
+                if (configuration.HttpVersion == new Version(3,0))
+                {
+                    host = host.UseQuic(options =>
+                    {
+                        options.Alpn = "h3-29";
+                        options.IdleTimeout = TimeSpan.FromHours(1);
+                    });
+                }
             };
 
             LoggerConfiguration loggerConfiguration = new LoggerConfiguration();