diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ee97320..2fb99100 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -226,6 +226,6 @@ jobs:
       run: npm install -g tfx-cli
       continue-on-error: true
 
-    - name: Publish VSIX release
-      run: tfx extension publish --vsix Palmmedia.reportgenerator-${{ env.Version }}.vsix -t ${{ secrets.VISUALSTUDIOMARKETPLACETOKEN }}
-      continue-on-error: true
\ No newline at end of file
+#    - name: Publish VSIX release
+#      run: tfx extension publish --vsix Palmmedia.reportgenerator-${{ env.Version }}.vsix -t ${{ secrets.VISUALSTUDIOMARKETPLACETOKEN }}
+#      continue-on-error: true
\ No newline at end of file
diff --git a/src/Readme.txt b/src/Readme.txt
index a78955d4..75b15c77 100644
--- a/src/Readme.txt
+++ b/src/Readme.txt
@@ -67,6 +67,10 @@ For further details take a look at LICENSE.txt.
 
 CHANGELOG
 
+5.1.3.0
+
+    * Fix: #503: Updated System.Text.Encodings.Web
+
 5.1.2.0
 
     * Fix: #494: Fixed MSBuild task
diff --git a/src/ReportGenerator.Core/ReportGenerator.Core.csproj b/src/ReportGenerator.Core/ReportGenerator.Core.csproj
index 950a02e1..292ea35d 100644
--- a/src/ReportGenerator.Core/ReportGenerator.Core.csproj
+++ b/src/ReportGenerator.Core/ReportGenerator.Core.csproj
@@ -85,6 +85,8 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />
     <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta14" />
+    <!-- System.Text.Encodings.Web 5.0.1+ for  CVE-2021-26701  - see https://github.com/dotnet/runtime/issues/49377 -->
+    <PackageReference Include="System.Text.Encodings.Web" Version="5.0.1" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>