diff --git a/DotExtensions.Memory/DotExtensions.Memory.csproj b/DotExtensions.Memory/DotExtensions.Memory.csproj
index 99deeeac..eb701bf3 100644
--- a/DotExtensions.Memory/DotExtensions.Memory.csproj
+++ b/DotExtensions.Memory/DotExtensions.Memory.csproj
@@ -40,7 +40,7 @@
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="System.Memory" Version="4.6.3" />
-    <PackageReference Include="Polyfill" Version="9.13.0" PrivateAssets="all"/>
+    <PackageReference Include="Polyfill" Version="9.15.0" PrivateAssets="all"/>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/DotExtensions/DotExtensions.csproj b/DotExtensions/DotExtensions.csproj
index 69e922cc..febef2e5 100644
--- a/DotExtensions/DotExtensions.csproj
+++ b/DotExtensions/DotExtensions.csproj
@@ -82,7 +82,7 @@
     <PackageReference Include="Microsoft.Extensions.Primitives" Version="10.0.3" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="Polyfill" Version="9.13.0" PrivateAssets="all">
+    <PackageReference Include="Polyfill" Version="9.15.0" PrivateAssets="all">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
       <PackageReference Include="System.IO.FileSystem.AccessControl" Condition="'$(TargetFramework)' == 'netstandard2.0'"