diff --git a/GitHubIssueFormsParser/Directory.Build.props b/GitHubIssueFormsParser/Directory.Build.props
index 917ca29..63dea55 100644
--- a/GitHubIssueFormsParser/Directory.Build.props
+++ b/GitHubIssueFormsParser/Directory.Build.props
@@ -72,7 +72,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="NSubstitute" Version="5.0.0" />
+    <PackageReference Include="NSubstitute" Version="5.1.0" />
     <PackageReference Include="Shouldly" Version="4.2.1" />
     <PackageReference Include="xunit.analyzers" Version="1.2.0" />
     <PackageReference Include="NSubstitute.Analyzers.CSharp" Version="1.0.16" />