diff --git a/StreamCompanionTypesTests/StreamCompanionTypesTests.csproj b/StreamCompanionTypesTests/StreamCompanionTypesTests.csproj
index c0415dd..c5602ff 100644
--- a/StreamCompanionTypesTests/StreamCompanionTypesTests.csproj
+++ b/StreamCompanionTypesTests/StreamCompanionTypesTests.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
     <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
     <PackageReference Include="coverlet.collector" Version="1.3.0" />
-    <PackageReference Include="NUnit" Version="3.12.0" />
+    <PackageReference Include="NUnit" Version="3.13.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
   </ItemGroup>