diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 0a8485e..5225f48 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -9,7 +9,7 @@
       ]
     },
     "demaconsulting.spdxtool": {
-      "version": "2.7.0",
+      "version": "2.8.0",
       "commands": [
         "spdx-tool"
       ]
diff --git a/src/DemaConsulting.SonarMark/DemaConsulting.SonarMark.csproj b/src/DemaConsulting.SonarMark/DemaConsulting.SonarMark.csproj
index bf29e75..952d751 100644
--- a/src/DemaConsulting.SonarMark/DemaConsulting.SonarMark.csproj
+++ b/src/DemaConsulting.SonarMark/DemaConsulting.SonarMark.csproj
@@ -66,7 +66,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <!-- Polyfill is a source-only package; contentfiles delivers the polyfill source into this project -->
-    <PackageReference Include="Polyfill" Version="9.12.0">
+    <PackageReference Include="Polyfill" Version="9.13.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>