diff --git a/src/Tethos.NSubstitute/Tethos.NSubstitute.csproj b/src/Tethos.NSubstitute/Tethos.NSubstitute.csproj
index a7835a49..88b1a40d 100644
--- a/src/Tethos.NSubstitute/Tethos.NSubstitute.csproj
+++ b/src/Tethos.NSubstitute/Tethos.NSubstitute.csproj
@@ -33,7 +33,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="NSubstitute" Version="5.1.0" />
+		<PackageReference Include="NSubstitute" Version="5.3.0" />
 		<PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.17">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>