diff --git a/src/NServiceBus.MicrosoftLogging/NServiceBus.MicrosoftLogging.csproj b/src/NServiceBus.MicrosoftLogging/NServiceBus.MicrosoftLogging.csproj
index 74b8b1d..f4cad58 100644
--- a/src/NServiceBus.MicrosoftLogging/NServiceBus.MicrosoftLogging.csproj
+++ b/src/NServiceBus.MicrosoftLogging/NServiceBus.MicrosoftLogging.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>net48;net7.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Polyfill" Version="4.4.1" PrivateAssets="all" />
+    <PackageReference Include="Polyfill" Version="4.5.0" PrivateAssets="all" />
     <PackageReference Include="NServiceBus" Version="8.1.6" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
     <PackageReference Include="ProjectDefaults" Version="1.0.109" PrivateAssets="all" />