diff --git a/backend/PoudriereC2.Tests/PoudriereC2.Tests.fsproj b/backend/PoudriereC2.Tests/PoudriereC2.Tests.fsproj
index 6e86b94..8304f43 100644
--- a/backend/PoudriereC2.Tests/PoudriereC2.Tests.fsproj
+++ b/backend/PoudriereC2.Tests/PoudriereC2.Tests.fsproj
@@ -28,7 +28,7 @@
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     <PackageReference Include="FsUnit" Version="5.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.0.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
   </ItemGroup>