diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index c10a7f2c..e28d41c0 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -21,7 +21,7 @@
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0" />
     <PackageVersion Include="Nerdbank.GitVersioning" Version="3.7.112" />
-    <PackageVersion Include="NSubstitute" Version="5.1.0" />
+    <PackageVersion Include="NSubstitute" Version="5.3.0" />
     <PackageVersion Include="PublicApiGenerator" Version="11.1.0" />
     <PackageVersion Include="ReactiveUI" Version="$(ReactiveUIVersion)" />
     <PackageVersion Include="ReactiveUI.Maui" Version="$(ReactiveUIVersion)" />