diff --git a/Directory.Packages.props b/Directory.Packages.props
index 032d5eb04a2..14d04b08b29 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <OTelLatestStableVer>1.8.1</OTelLatestStableVer>
+    <OTelLatestStableVer>1.9.0</OTelLatestStableVer>
   </PropertyGroup>
 
   <!--
diff --git a/build/Common.prod.props b/build/Common.prod.props
index 2f7b7cc900f..9f2c78486c3 100644
--- a/build/Common.prod.props
+++ b/build/Common.prod.props
@@ -3,6 +3,9 @@
 
   <PropertyGroup>
     <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory)/OpenTelemetry.prod.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+
+  <PropertyGroup Label="BuildFlags">
     <ExposeExperimentalFeatures Condition="'$(ExposeExperimentalFeatures)' == ''">true</ExposeExperimentalFeatures>
     <EnablePackageValidation Condition="'$(EnablePackageValidation)' == ''">false</EnablePackageValidation>
   </PropertyGroup>
diff --git a/build/Common.props b/build/Common.props
index 7c1c5b5a473..77337cad20a 100644
--- a/build/Common.props
+++ b/build/Common.props
@@ -15,6 +15,10 @@
     <!--<AnalysisLevel>latest-All</AnalysisLevel>-->
   </PropertyGroup>
 
+  <PropertyGroup Label="BuildFlags">
+    <RunningDotNetPack Condition="'$(RunningDotNetPack)' == ''">false</RunningDotNetPack>
+  </PropertyGroup>
+
   <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
   <PropertyGroup>
     <NetFrameworkMinimumSupportedVersion>net462</NetFrameworkMinimumSupportedVersion>
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 e3603d4bc50..97e6f15e108 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
@@ -18,9 +18,17 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.Prometheus.AspNetCore\OpenTelemetry.Exporter.Prometheus.AspNetCore.csproj" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(RunningDotNetPack)' != 'true'">
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.InMemory\OpenTelemetry.Exporter.InMemory.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Extensions.Hosting\OpenTelemetry.Extensions.Hosting.csproj" />
-    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.Prometheus.AspNetCore\OpenTelemetry.Exporter.Prometheus.AspNetCore.csproj" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(RunningDotNetPack)' == 'true'">
+    <PackageReference Include="OpenTelemetry.Exporter.InMemory" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" />
   </ItemGroup>
 
   <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 7ab05160d72..f4901706361 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
@@ -18,9 +18,16 @@
 
   <ItemGroup>
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.Prometheus.HttpListener\OpenTelemetry.Exporter.Prometheus.HttpListener.csproj" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(RunningDotNetPack)' != 'true'">
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.InMemory\OpenTelemetry.Exporter.InMemory.csproj" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(RunningDotNetPack)' == 'true'">
+    <PackageReference Include="OpenTelemetry.Exporter.InMemory" />
+  </ItemGroup>
+
   <ItemGroup>
     <Reference Include="System.Net.Http" Condition="'$(TargetFramework)' == '$(NetFrameworkMinimumSupportedVersion)'" />
   </ItemGroup>
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 7e08df554f3..07fe011a082 100644
--- a/test/OpenTelemetry.Shims.OpenTracing.Tests/OpenTelemetry.Shims.OpenTracing.Tests.csproj
+++ b/test/OpenTelemetry.Shims.OpenTracing.Tests/OpenTelemetry.Shims.OpenTracing.Tests.csproj
@@ -15,8 +15,14 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry\OpenTelemetry.csproj" />
-    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.InMemory\OpenTelemetry.Exporter.InMemory.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Shims.OpenTracing\OpenTelemetry.Shims.OpenTracing.csproj" />
   </ItemGroup>
+
+  <ItemGroup Condition="'$(RunningDotNetPack)' != 'true'">
+    <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.InMemory\OpenTelemetry.Exporter.InMemory.csproj" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(RunningDotNetPack)' == 'true'">
+    <PackageReference Include="OpenTelemetry.Exporter.InMemory" />
+  </ItemGroup>
 </Project>