diff --git a/Rx.NET/Source/tests/Tests.System.Reactive.ApiApprovals/Tests.System.Reactive.ApiApprovals.csproj b/Rx.NET/Source/tests/Tests.System.Reactive.ApiApprovals/Tests.System.Reactive.ApiApprovals.csproj
index 3c78255a9..0e3380d3f 100644
--- a/Rx.NET/Source/tests/Tests.System.Reactive.ApiApprovals/Tests.System.Reactive.ApiApprovals.csproj
+++ b/Rx.NET/Source/tests/Tests.System.Reactive.ApiApprovals/Tests.System.Reactive.ApiApprovals.csproj
@@ -33,7 +33,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="DiffPlex" Version="1.7.2" />
-    <PackageReference Include="PublicApiGenerator" Version="11.0.0" />
+    <PackageReference Include="PublicApiGenerator" Version="11.1.0" />
   </ItemGroup>
 
   <ItemGroup>