diff --git a/docs/Directory.Build.props b/docs/Directory.Build.props
index 9d8626a31cc..e0b6bc78a48 100644
--- a/docs/Directory.Build.props
+++ b/docs/Directory.Build.props
@@ -5,7 +5,7 @@
     <OutputType>Exe</OutputType>
     <!-- https://dotnet.microsoft.com/download/dotnet-core -->
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
     <!-- https://dotnet.microsoft.com/download/dotnet-framework -->
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net462;net47;net471;net472;net48</TargetFrameworks>
   </PropertyGroup>
diff --git a/test/OpenTelemetry.Exporter.Jaeger.Tests/OpenTelemetry.Exporter.Jaeger.Tests.csproj b/test/OpenTelemetry.Exporter.Jaeger.Tests/OpenTelemetry.Exporter.Jaeger.Tests.csproj
index 5531e9421a6..6b9abaee752 100644
--- a/test/OpenTelemetry.Exporter.Jaeger.Tests/OpenTelemetry.Exporter.Jaeger.Tests.csproj
+++ b/test/OpenTelemetry.Exporter.Jaeger.Tests/OpenTelemetry.Exporter.Jaeger.Tests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Unit test project for Jaeger Exporter for OpenTelemetry</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net462</TargetFrameworks>
   </PropertyGroup>
 
diff --git a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj
index 3bc3fee04b1..729ae88fd00 100644
--- a/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj
+++ b/test/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests/OpenTelemetry.Exporter.OpenTelemetryProtocol.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == ''">net6.0</TargetFrameworks>
+    <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == ''">net7.0;net6.0</TargetFrameworks>
     <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == '' AND $(OS) == 'Windows_NT'">$(TargetFrameworks);net462</TargetFrameworks>
     <TargetFrameworks Condition="$(TARGET_FRAMEWORK) != ''">$(TARGET_FRAMEWORK)</TargetFrameworks>
   </PropertyGroup>
diff --git a/test/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests.csproj b/test/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests.csproj
index 68f153f7f15..ef892fc6bf1 100644
--- a/test/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests.csproj
+++ b/test/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests/OpenTelemetry.Exporter.Prometheus.AspNetCore.Tests.csproj
@@ -23,6 +23,10 @@
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.Prometheus.AspNetCore\OpenTelemetry.Exporter.Prometheus.AspNetCore.csproj" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="7.0.0-rc.2.22476.2" />
+  </ItemGroup>
+
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.0" />
   </ItemGroup>
diff --git a/test/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests.csproj b/test/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests.csproj
index dd32d77eab6..4e4a5d37c82 100644
--- a/test/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests.csproj
+++ b/test/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests/OpenTelemetry.Exporter.Prometheus.HttpListener.Tests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Unit test project for Prometheus Exporter HttpListener for OpenTelemetry</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0;net462</TargetFrameworks>
     <DefineConstants>$(DefineConstants);PROMETHEUS_HTTP_LISTENER</DefineConstants>
   </PropertyGroup>
 
diff --git a/test/OpenTelemetry.Exporter.Zipkin.Tests/OpenTelemetry.Exporter.Zipkin.Tests.csproj b/test/OpenTelemetry.Exporter.Zipkin.Tests/OpenTelemetry.Exporter.Zipkin.Tests.csproj
index 7649dc09d3c..b29b7835f36 100644
--- a/test/OpenTelemetry.Exporter.Zipkin.Tests/OpenTelemetry.Exporter.Zipkin.Tests.csproj
+++ b/test/OpenTelemetry.Exporter.Zipkin.Tests/OpenTelemetry.Exporter.Zipkin.Tests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Unit test project for Zipkin Exporter for OpenTelemetry</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net462</TargetFrameworks>
   </PropertyGroup>
 
diff --git a/test/OpenTelemetry.Extensions.Hosting.Tests/OpenTelemetry.Extensions.Hosting.Tests.csproj b/test/OpenTelemetry.Extensions.Hosting.Tests/OpenTelemetry.Extensions.Hosting.Tests.csproj
index b5503f02cea..2ba56391e4e 100644
--- a/test/OpenTelemetry.Extensions.Hosting.Tests/OpenTelemetry.Extensions.Hosting.Tests.csproj
+++ b/test/OpenTelemetry.Extensions.Hosting.Tests/OpenTelemetry.Extensions.Hosting.Tests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Unit test project for OpenTelemetry .NET Core hosting library</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net462</TargetFrameworks>
   </PropertyGroup>
 
@@ -27,6 +27,10 @@
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="$(MicrosoftExtensionsHostingPkgVer)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="7.0.0-rc.2.22476.2" />
+  </ItemGroup>
+
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
     <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="6.0.0" />
   </ItemGroup>
diff --git a/test/OpenTelemetry.Extensions.Propagators.Tests/OpenTelemetry.Extensions.Propagators.Tests.csproj b/test/OpenTelemetry.Extensions.Propagators.Tests/OpenTelemetry.Extensions.Propagators.Tests.csproj
index 485184b256a..ef8e21890a5 100644
--- a/test/OpenTelemetry.Extensions.Propagators.Tests/OpenTelemetry.Extensions.Propagators.Tests.csproj
+++ b/test/OpenTelemetry.Extensions.Propagators.Tests/OpenTelemetry.Extensions.Propagators.Tests.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == ''">net6.0;net462</TargetFrameworks>
+    <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == ''">net7.0;net6.0;net462</TargetFrameworks>
     <TargetFrameworks Condition="$(TARGET_FRAMEWORK) != ''">$(TARGET_FRAMEWORK)</TargetFrameworks>
   </PropertyGroup>
 
diff --git a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
index 183657025bd..8e218b535d7 100644
--- a/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.AspNetCore.Tests/OpenTelemetry.Instrumentation.AspNetCore.Tests.csproj
@@ -29,7 +29,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.0-rc.1.22427.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="7.0.0-rc.2.22476.2" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net6.0'">
diff --git a/test/OpenTelemetry.Instrumentation.Grpc.Tests/OpenTelemetry.Instrumentation.Grpc.Tests.csproj b/test/OpenTelemetry.Instrumentation.Grpc.Tests/OpenTelemetry.Instrumentation.Grpc.Tests.csproj
index a9416a98a69..b779f2ebaa9 100644
--- a/test/OpenTelemetry.Instrumentation.Grpc.Tests/OpenTelemetry.Instrumentation.Grpc.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.Grpc.Tests/OpenTelemetry.Instrumentation.Grpc.Tests.csproj
@@ -2,8 +2,9 @@
   <PropertyGroup>
     <Description>Unit test project for OpenTelemetry Grpc for .NET instrumentation</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net462</TargetFrameworks>
+    <NoWarn>$(NoWarn),CS8981</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Instrumentation.SqlClient.Tests/OpenTelemetry.Instrumentation.SqlClient.Tests.csproj b/test/OpenTelemetry.Instrumentation.SqlClient.Tests/OpenTelemetry.Instrumentation.SqlClient.Tests.csproj
index 7f3f224f3ef..0b465099147 100644
--- a/test/OpenTelemetry.Instrumentation.SqlClient.Tests/OpenTelemetry.Instrumentation.SqlClient.Tests.csproj
+++ b/test/OpenTelemetry.Instrumentation.SqlClient.Tests/OpenTelemetry.Instrumentation.SqlClient.Tests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Unit test project for OpenTelemetry SqlClient instrumentations</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == ''">net6.0</TargetFrameworks>
+    <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == ''">net7.0;net6.0</TargetFrameworks>
     <TargetFrameworks Condition="$(TARGET_FRAMEWORK) == '' and $(OS) == 'Windows_NT'">$(TargetFrameworks);net462</TargetFrameworks>
     <TargetFrameworks Condition="$(TARGET_FRAMEWORK) != ''">$(TARGET_FRAMEWORK)</TargetFrameworks>
   </PropertyGroup>
diff --git a/test/OpenTelemetry.Shims.OpenTracing.Tests/OpenTelemetry.Shims.OpenTracing.Tests.csproj b/test/OpenTelemetry.Shims.OpenTracing.Tests/OpenTelemetry.Shims.OpenTracing.Tests.csproj
index 3367474dbf4..8deed5972dd 100644
--- a/test/OpenTelemetry.Shims.OpenTracing.Tests/OpenTelemetry.Shims.OpenTracing.Tests.csproj
+++ b/test/OpenTelemetry.Shims.OpenTracing.Tests/OpenTelemetry.Shims.OpenTracing.Tests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Unit test project for OpenTelemetry.Shims.OpenTracing</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Tests.Stress.Logs/OpenTelemetry.Tests.Stress.Logs.csproj b/test/OpenTelemetry.Tests.Stress.Logs/OpenTelemetry.Tests.Stress.Logs.csproj
index b586488162c..ce4b46faf88 100644
--- a/test/OpenTelemetry.Tests.Stress.Logs/OpenTelemetry.Tests.Stress.Logs.csproj
+++ b/test/OpenTelemetry.Tests.Stress.Logs/OpenTelemetry.Tests.Stress.Logs.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0;net462</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Tests.Stress.Metrics/OpenTelemetry.Tests.Stress.Metrics.csproj b/test/OpenTelemetry.Tests.Stress.Metrics/OpenTelemetry.Tests.Stress.Metrics.csproj
index 71e5735570e..c4062c712a0 100644
--- a/test/OpenTelemetry.Tests.Stress.Metrics/OpenTelemetry.Tests.Stress.Metrics.csproj
+++ b/test/OpenTelemetry.Tests.Stress.Metrics/OpenTelemetry.Tests.Stress.Metrics.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0;net462</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Tests.Stress.Traces/OpenTelemetry.Tests.Stress.Traces.csproj b/test/OpenTelemetry.Tests.Stress.Traces/OpenTelemetry.Tests.Stress.Traces.csproj
index 674392dddad..e49744530da 100644
--- a/test/OpenTelemetry.Tests.Stress.Traces/OpenTelemetry.Tests.Stress.Traces.csproj
+++ b/test/OpenTelemetry.Tests.Stress.Traces/OpenTelemetry.Tests.Stress.Traces.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0;net462</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Tests.Stress/OpenTelemetry.Tests.Stress.csproj b/test/OpenTelemetry.Tests.Stress/OpenTelemetry.Tests.Stress.csproj
index 1c06ae6076c..816cb982056 100644
--- a/test/OpenTelemetry.Tests.Stress/OpenTelemetry.Tests.Stress.csproj
+++ b/test/OpenTelemetry.Tests.Stress/OpenTelemetry.Tests.Stress.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0;net462</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0;net462</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/test/OpenTelemetry.Tests/OpenTelemetry.Tests.csproj b/test/OpenTelemetry.Tests/OpenTelemetry.Tests.csproj
index 199db4b6e4b..ffc97ae3604 100644
--- a/test/OpenTelemetry.Tests/OpenTelemetry.Tests.csproj
+++ b/test/OpenTelemetry.Tests/OpenTelemetry.Tests.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>Unit test project for OpenTelemetry</Description>
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net462</TargetFrameworks>
     <NoWarn>$(NoWarn),CS0618</NoWarn>
   </PropertyGroup>