diff --git a/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj b/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj
index 7a813bb..f435948 100644
--- a/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj
+++ b/Oberon0.CompilerSupport/Oberon0.Test.Support.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Antlr4.Runtime.Standard" Version="4.13.1" />
-    <PackageReference Include="Antlr4BuildTasks" Version="12.8.0" />
+    <PackageReference Include="Antlr4BuildTasks" Version="12.11.0" />
     <PackageReference Include="JetBrains.Annotations" Version="2024.3.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
   </ItemGroup>
diff --git a/oberon0/Oberon0Compiler.csproj b/oberon0/Oberon0Compiler.csproj
index 8782491..33a0e50 100644
--- a/oberon0/Oberon0Compiler.csproj
+++ b/oberon0/Oberon0Compiler.csproj
@@ -16,7 +16,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Antlr4.Runtime.Standard" Version="4.13.1" />
-    <PackageReference Include="Antlr4BuildTasks" Version="12.8.0" />
+    <PackageReference Include="Antlr4BuildTasks" Version="12.11.0" />
     <PackageReference Include="JetBrains.Annotations" Version="2024.3.0" />
     <PackageReference Include="System.Composition.TypedParts" Version="8.0.0" />
   </ItemGroup>