diff --git a/tests/TechInventory.UnitTests/TechInventory.UnitTests.csproj b/tests/TechInventory.UnitTests/TechInventory.UnitTests.csproj
index 0974c98..89bd869 100644
--- a/tests/TechInventory.UnitTests/TechInventory.UnitTests.csproj
+++ b/tests/TechInventory.UnitTests/TechInventory.UnitTests.csproj
@@ -12,7 +12,7 @@
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-    <PackageReference Include="NSubstitute" Version="5.3.0" />
+    <PackageReference Include="NSubstitute" Version="6.0.0" />
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     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
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