diff --git a/src/DemaConsulting.SpdxTool/DemaConsulting.SpdxTool.csproj b/src/DemaConsulting.SpdxTool/DemaConsulting.SpdxTool.csproj
index e4023b7..0291cd8 100644
--- a/src/DemaConsulting.SpdxTool/DemaConsulting.SpdxTool.csproj
+++ b/src/DemaConsulting.SpdxTool/DemaConsulting.SpdxTool.csproj
@@ -57,7 +57,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Sbom.Targets" Version="4.1.5" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.103" PrivateAssets="All" />
-    <PackageReference Include="Polyfill" Version="9.12.0" PrivateAssets="All" />
+    <PackageReference Include="Polyfill" Version="9.13.0" PrivateAssets="All" />
   </ItemGroup>
 
   <!-- Code Analysis Dependencies -->