diff --git a/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj b/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj
index 57ac270..2f5c5b6 100644
--- a/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj
+++ b/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj
@@ -16,7 +16,7 @@
 	</ItemGroup>
 	<ItemGroup>
 		<PackageReference Include="HtmlAgilityPack" Version="1.12.4" />
-		<PackageReference Include="SonarAnalyzer.CSharp" Version="10.19.0.132793">
+		<PackageReference Include="SonarAnalyzer.CSharp" Version="10.20.0.135146">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
diff --git a/Source/VersOne.Epub.WpfDemo/packages.config b/Source/VersOne.Epub.WpfDemo/packages.config
index c651e31..8f2abaf 100644
--- a/Source/VersOne.Epub.WpfDemo/packages.config
+++ b/Source/VersOne.Epub.WpfDemo/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="HtmlRenderer.Core" version="1.5.0.6" targetFramework="net45" />
   <package id="HtmlRenderer.WPF" version="1.5.0.6" targetFramework="net45" />
-  <package id="SonarAnalyzer.CSharp" version="10.19.0.132793" targetFramework="net46" developmentDependency="true" />
+  <package id="SonarAnalyzer.CSharp" version="10.20.0.135146" targetFramework="net46" developmentDependency="true" />
   <package id="StyleCop.Analyzers" version="1.2.0-beta.556" targetFramework="net46" developmentDependency="true" />
   <package id="StyleCop.Analyzers.Unstable" version="1.2.0.556" targetFramework="net46" developmentDependency="true" />
   <package id="System.Collections" version="4.3.0" targetFramework="net46" />
diff --git a/Source/VersOne.Epub/VersOne.Epub.csproj b/Source/VersOne.Epub/VersOne.Epub.csproj
index c11d82b..a2216b0 100644
--- a/Source/VersOne.Epub/VersOne.Epub.csproj
+++ b/Source/VersOne.Epub/VersOne.Epub.csproj
@@ -14,7 +14,7 @@
         <CheckNotRecommendedTargetFramework>false</CheckNotRecommendedTargetFramework>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="SonarAnalyzer.CSharp" Version="10.19.0.132793">
+        <PackageReference Include="SonarAnalyzer.CSharp" Version="10.20.0.135146">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>