diff --git a/src/Zengenti.Contensis.RequestHandler.Application/Application.csproj b/src/Zengenti.Contensis.RequestHandler.Application/Application.csproj
index 49723fa..25f6b82 100644
--- a/src/Zengenti.Contensis.RequestHandler.Application/Application.csproj
+++ b/src/Zengenti.Contensis.RequestHandler.Application/Application.csproj
@@ -10,7 +10,7 @@
         <PackageId>Zengenti.Contensis.RequestHandler.Application</PackageId>
         <Company>Zengenti Ltd</Company>
         <OutputType>Library</OutputType>        
-        <LangVersion>12</LangVersion>        
+        <LangVersion>default</LangVersion>        
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/src/Zengenti.Contensis.RequestHandler.Domain/Domain.csproj b/src/Zengenti.Contensis.RequestHandler.Domain/Domain.csproj
index 1ffd3a1..6aaad85 100644
--- a/src/Zengenti.Contensis.RequestHandler.Domain/Domain.csproj
+++ b/src/Zengenti.Contensis.RequestHandler.Domain/Domain.csproj
@@ -7,7 +7,7 @@
         <RootNamespace>Zengenti.Contensis.RequestHandler.Domain</RootNamespace>
         <AssemblyName>Zengenti.Contensis.RequestHandler.Domain</AssemblyName>
         <OutputType>Library</OutputType>
-        <LangVersion>12</LangVersion>
+        <LangVersion>default</LangVersion>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/src/Zengenti.Contensis.RequestHandler.LocalDevelopment/LocalDevelopment.csproj b/src/Zengenti.Contensis.RequestHandler.LocalDevelopment/LocalDevelopment.csproj
index 7cc8290..1f3a6c0 100644
--- a/src/Zengenti.Contensis.RequestHandler.LocalDevelopment/LocalDevelopment.csproj
+++ b/src/Zengenti.Contensis.RequestHandler.LocalDevelopment/LocalDevelopment.csproj
@@ -9,7 +9,7 @@
         <OutputType>Exe</OutputType>
         <PackageId>Zengenti.Contensis.RequestHandler.LocalDevelopment</PackageId>
         <Authors>Zengenti</Authors>
-        <LangVersion>12</LangVersion>
+        <LangVersion>default</LangVersion>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/tests/Zengenti.Contensis.RequestHandler.LocalDevelopment.Unit.Specs/LocalDevelopment.Unit.Specs.csproj b/tests/Zengenti.Contensis.RequestHandler.LocalDevelopment.Unit.Specs/LocalDevelopment.Unit.Specs.csproj
index 64a6391..a73fc67 100644
--- a/tests/Zengenti.Contensis.RequestHandler.LocalDevelopment.Unit.Specs/LocalDevelopment.Unit.Specs.csproj
+++ b/tests/Zengenti.Contensis.RequestHandler.LocalDevelopment.Unit.Specs/LocalDevelopment.Unit.Specs.csproj
@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFramework>net8.0</TargetFramework>
-        <LangVersion>12</LangVersion>
+        <LangVersion>default</LangVersion>
         <ImplicitUsings>true</ImplicitUsings>
         <RootNamespace>Zengenti.Contensis.RequestHandler.LocalDevelopment.Unit.Specs</RootNamespace>
         <AssemblyName>Zengenti.Contensis.RequestHandler.LocalDevelopment.Unit.Specs</AssemblyName>