diff --git a/test/FunctionalTests/Microsoft.OData.Client.Tests/Microsoft.OData.Client.Tests.csproj b/test/FunctionalTests/Microsoft.OData.Client.Tests/Microsoft.OData.Client.Tests.csproj
index b1b942ea00..3ac8d89eda 100644
--- a/test/FunctionalTests/Microsoft.OData.Client.Tests/Microsoft.OData.Client.Tests.csproj
+++ b/test/FunctionalTests/Microsoft.OData.Client.Tests/Microsoft.OData.Client.Tests.csproj
@@ -43,6 +43,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
     <PackageReference Include="xunit.extensibility.core" Version="2.4.1" />
diff --git a/test/FunctionalTests/Microsoft.OData.Core.Tests/Microsoft.OData.Core.Tests.csproj b/test/FunctionalTests/Microsoft.OData.Core.Tests/Microsoft.OData.Core.Tests.csproj
index 69e8018be8..2a209b5d66 100644
--- a/test/FunctionalTests/Microsoft.OData.Core.Tests/Microsoft.OData.Core.Tests.csproj
+++ b/test/FunctionalTests/Microsoft.OData.Core.Tests/Microsoft.OData.Core.Tests.csproj
@@ -22,6 +22,8 @@
   
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>
 
   <Import Project="..\Build.props" />
diff --git a/test/FunctionalTests/Microsoft.OData.Edm.Tests/Microsoft.OData.Edm.Tests.csproj b/test/FunctionalTests/Microsoft.OData.Edm.Tests/Microsoft.OData.Edm.Tests.csproj
index c8abb9bcc8..31a99f445c 100644
--- a/test/FunctionalTests/Microsoft.OData.Edm.Tests/Microsoft.OData.Edm.Tests.csproj
+++ b/test/FunctionalTests/Microsoft.OData.Edm.Tests/Microsoft.OData.Edm.Tests.csproj
@@ -40,6 +40,8 @@
 
   <ItemGroup>
      <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+     <PackageReference Include="System.Net.Http" Version="4.3.4" />
+     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>
    
   <ItemGroup>
diff --git a/test/FunctionalTests/Microsoft.Spatial.Tests/Microsoft.Spatial.Tests.csproj b/test/FunctionalTests/Microsoft.Spatial.Tests/Microsoft.Spatial.Tests.csproj
index 23b6800ffb..f4fa240851 100644
--- a/test/FunctionalTests/Microsoft.Spatial.Tests/Microsoft.Spatial.Tests.csproj
+++ b/test/FunctionalTests/Microsoft.Spatial.Tests/Microsoft.Spatial.Tests.csproj
@@ -34,6 +34,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>
 
   <ItemGroup>