diff --git a/APDocsStudio.csproj b/APDocsStudio.csproj
index c9baebd..3212dec 100644
--- a/APDocsStudio.csproj
+++ b/APDocsStudio.csproj
@@ -50,7 +50,7 @@
     <PackageReference Include="StandardSocketsHttpHandler" Version="2.2.0.8" />
     <PackageReference Include="EmbedIO" Version="3.5.2" />
     <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
-    <PackageReference Include="Polyfill" Version="4.9.0" PrivateAssets="all" />
+    <PackageReference Include="Polyfill" Version="10.0.0" PrivateAssets="all" />
     <PackageReference Include="System.Drawing.Common" Version="9.0.3" />
   </ItemGroup>