diff --git a/csharp/packages.config b/csharp/packages.config
index 77fb974a..2cd38b71 100644
--- a/csharp/packages.config
+++ b/csharp/packages.config
@@ -3,4 +3,5 @@
   <package id="ApprovalTests" version="3.0.13" targetFramework="net452" />
   <package id="ApprovalUtilities" version="3.0.13" targetFramework="net452" />
   <package id="NUnit" version="3.8.1" targetFramework="net452" />
+  <package id="NUnit3TestAdapter" version="3.8.0" targetFramework="net452" />
 </packages>
\ No newline at end of file