diff --git a/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj b/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj
index 7bef85b..0dae03b 100644
--- a/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj
+++ b/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="Antlr4.Runtime.Standard" Version="4.13.1" />
     <PackageReference Include="Antlr4BuildTasks" Version="12.14.0" />
     <PackageReference Include="JetBrains.Annotations" Version="2025.2.4" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
     <PackageReference Include="xunit.v3.assert" Version="3.2.2" />
     <PackageReference Include="xunit.v3.extensibility.core" Version="3.2.2" />
   </ItemGroup>
diff --git a/Oberon0.Generator.MsilBin.Tests/Oberon0.Generator.MsilBin.Tests.csproj b/Oberon0.Generator.MsilBin.Tests/Oberon0.Generator.MsilBin.Tests.csproj
index 5263c25..0a13d2f 100644
--- a/Oberon0.Generator.MsilBin.Tests/Oberon0.Generator.MsilBin.Tests.csproj
+++ b/Oberon0.Generator.MsilBin.Tests/Oberon0.Generator.MsilBin.Tests.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="10.0.2" />
+    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="10.0.12" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
diff --git a/Oberon0.Generator.MsilBin/Oberon0.Generator.MsilBin.csproj b/Oberon0.Generator.MsilBin/Oberon0.Generator.MsilBin.csproj
index d8828b8..af401a1 100644
--- a/Oberon0.Generator.MsilBin/Oberon0.Generator.MsilBin.csproj
+++ b/Oberon0.Generator.MsilBin/Oberon0.Generator.MsilBin.csproj
@@ -8,8 +8,8 @@
 
   <ItemGroup>
     <PackageReference Include="AnyClone" Version="1.1.6" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.0.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.9.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Oberon0.Msil/Oberon0.Msil.csproj b/Oberon0.Msil/Oberon0.Msil.csproj
index 2c03e33..aca1d24 100644
--- a/Oberon0.Msil/Oberon0.Msil.csproj
+++ b/Oberon0.Msil/Oberon0.Msil.csproj
@@ -32,7 +32,7 @@
     <ProjectReference Include="..\oberon0\Oberon0Compiler.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="10.0.2" />
-    <PackageReference Include="System.CommandLine" Version="2.0.2" />
+    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="10.0.12" />
+    <PackageReference Include="System.CommandLine" Version="2.0.12" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Oberon0.OperatorGenerator/Oberon0.InternalGenerators.csproj b/Oberon0.OperatorGenerator/Oberon0.InternalGenerators.csproj
index 28213d5..4319cc4 100644
--- a/Oberon0.OperatorGenerator/Oberon0.InternalGenerators.csproj
+++ b/Oberon0.OperatorGenerator/Oberon0.InternalGenerators.csproj
@@ -16,7 +16,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
   </ItemGroup>
 
 </Project>
diff --git a/Oberon0.Shared/Oberon0.Shared.csproj b/Oberon0.Shared/Oberon0.Shared.csproj
index c283683..2212138 100644
--- a/Oberon0.Shared/Oberon0.Shared.csproj
+++ b/Oberon0.Shared/Oberon0.Shared.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
   </ItemGroup>
 
 </Project>