diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 52a3107..77f5640 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -33,7 +33,7 @@
       ]
     },
     "demaconsulting.reqstream": {
-      "version": "1.4.0",
+      "version": "1.4.1",
       "commands": [
         "reqstream"
       ]
diff --git a/src/DemaConsulting.SpdxModel/DemaConsulting.SpdxModel.csproj b/src/DemaConsulting.SpdxModel/DemaConsulting.SpdxModel.csproj
index 2c3369d..3aa5908 100644
--- a/src/DemaConsulting.SpdxModel/DemaConsulting.SpdxModel.csproj
+++ b/src/DemaConsulting.SpdxModel/DemaConsulting.SpdxModel.csproj
@@ -49,7 +49,7 @@
   <!-- Build Tool Dependencies -->
   <ItemGroup>
     <PackageReference Include="Microsoft.Sbom.Targets" Version="4.1.5" PrivateAssets="All" />
-    <PackageReference Include="Polyfill" Version="9.13.0" PrivateAssets="All" />
+    <PackageReference Include="Polyfill" Version="9.18.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.103" PrivateAssets="All" />
   </ItemGroup>