diff --git a/test/coverlet.tests.projectsample.fsharp/coverlet.tests.projectsample.fsharp.fsproj b/test/coverlet.tests.projectsample.fsharp/coverlet.tests.projectsample.fsharp.fsproj
index 7a7d09a..03637da 100644
--- a/test/coverlet.tests.projectsample.fsharp/coverlet.tests.projectsample.fsharp.fsproj
+++ b/test/coverlet.tests.projectsample.fsharp/coverlet.tests.projectsample.fsharp.fsproj
@@ -3,6 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <IsPackable>false</IsPackable>
     <IsTestProject>false</IsTestProject>
   </PropertyGroup>