diff --git a/csharp/src/Google.Protobuf.Test/project.json b/csharp/src/Google.Protobuf.Test/project.json
index 87b732c9..3a73bf7a 100644
--- a/csharp/src/Google.Protobuf.Test/project.json
+++ b/csharp/src/Google.Protobuf.Test/project.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "Google.Protobuf": { "target": "project" },
     "NUnit": "3.4.0",
-    "dotnet-test-nunit": "3.4.0-alpha-2",
+    "dotnet-test-nunit": "3.4.0-alpha-2"
   },
 
   "testRunner": "nunit",