diff --git a/Analyzer/CaeriusNet.Analyzer.csproj b/Analyzer/CaeriusNet.Analyzer.csproj
index ee58587..f29f58a 100644
--- a/Analyzer/CaeriusNet.Analyzer.csproj
+++ b/Analyzer/CaeriusNet.Analyzer.csproj
@@ -24,7 +24,7 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0"/>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/SourceGenerators/CaeriusNet.Generator.csproj b/SourceGenerators/CaeriusNet.Generator.csproj
index a134050..ea03ab9 100644
--- a/SourceGenerators/CaeriusNet.Generator.csproj
+++ b/SourceGenerators/CaeriusNet.Generator.csproj
@@ -23,7 +23,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="5.3.0" PrivateAssets="all"/>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" PrivateAssets="all"/>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0" PrivateAssets="all"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/Tests/CaeriusNet.Analyzer.Tests/CaeriusNet.Analyzer.Tests.csproj b/Tests/CaeriusNet.Analyzer.Tests/CaeriusNet.Analyzer.Tests.csproj
index b17eea0..a740429 100644
--- a/Tests/CaeriusNet.Analyzer.Tests/CaeriusNet.Analyzer.Tests.csproj
+++ b/Tests/CaeriusNet.Analyzer.Tests/CaeriusNet.Analyzer.Tests.csproj
@@ -15,7 +15,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0"/>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0"/>
         <PackageReference Include="xunit" Version="2.9.3"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
diff --git a/Tests/CaeriusNet.Generator.Tests/CaeriusNet.Generator.Tests.csproj b/Tests/CaeriusNet.Generator.Tests/CaeriusNet.Generator.Tests.csproj
index 8c30880..fd78074 100644
--- a/Tests/CaeriusNet.Generator.Tests/CaeriusNet.Generator.Tests.csproj
+++ b/Tests/CaeriusNet.Generator.Tests/CaeriusNet.Generator.Tests.csproj
@@ -30,7 +30,7 @@
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
         <!-- Roslyn APIs for running generators in-process -->
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0"/>
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.6.0"/>
     </ItemGroup>
 
     <ItemGroup>