diff --git a/Tests/Boxed.Mapping.Test/Boxed.Mapping.Test.csproj b/Tests/Boxed.Mapping.Test/Boxed.Mapping.Test.csproj
index 6bc9f943..1aa74bf4 100644
--- a/Tests/Boxed.Mapping.Test/Boxed.Mapping.Test.csproj
+++ b/Tests/Boxed.Mapping.Test/Boxed.Mapping.Test.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
 
   <ItemGroup Label="Package References">
-    <PackageReference Include="System.Linq.Async" Version="4.0.0" />
+    <PackageReference Include="System.Linq.Async" Version="4.1.1" />
   </ItemGroup>
 
   <ItemGroup>