diff --git a/src/LayeredCraft.DecoWeaver.Attributes/LayeredCraft.DecoWeaver.Attributes.csproj b/src/LayeredCraft.DecoWeaver.Attributes/LayeredCraft.DecoWeaver.Attributes.csproj
index a9f7ffc..53fb925 100644
--- a/src/LayeredCraft.DecoWeaver.Attributes/LayeredCraft.DecoWeaver.Attributes.csproj
+++ b/src/LayeredCraft.DecoWeaver.Attributes/LayeredCraft.DecoWeaver.Attributes.csproj
@@ -11,7 +11,7 @@
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Polyfill" Version="9.0.3">
+        <PackageReference Include="Polyfill" Version="9.3.4">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>