diff --git a/src/Exercism.TestRunner.CSharp/Exercism.TestRunner.CSharp.csproj b/src/Exercism.TestRunner.CSharp/Exercism.TestRunner.CSharp.csproj
index 89232cc..48d6cbd 100644
--- a/src/Exercism.TestRunner.CSharp/Exercism.TestRunner.CSharp.csproj
+++ b/src/Exercism.TestRunner.CSharp/Exercism.TestRunner.CSharp.csproj
@@ -17,6 +17,11 @@
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.9.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.utility" Version="2.4.1" />
+    <PackageReference Include="FakeItEasy" Version="6.2.1" />
+    <PackageReference Include="FsCheck" Version="2.14.4" />
+    <PackageReference Include="FsCheck.Xunit" Version="2.14.4" />
+    <PackageReference Include="Microsoft.Reactive.Testing" Version="5.0.0" />
+    <PackageReference Include="Sprache" Version="2.3.1" />
   </ItemGroup>
 
 </Project>