diff --git a/DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj b/DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj
index 2771718..96d1b86 100644
--- a/DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj
+++ b/DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj
@@ -8,6 +8,7 @@
     <Copyright>Copyright (c) Alexey Golub</Copyright>
     <ApplicationIcon>..\favicon.ico</ApplicationIcon>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DiscordChatExporter.Core.Markdown/DiscordChatExporter.Core.Markdown.csproj b/DiscordChatExporter.Core.Markdown/DiscordChatExporter.Core.Markdown.csproj
index 20446bc..a6d5ffa 100644
--- a/DiscordChatExporter.Core.Markdown/DiscordChatExporter.Core.Markdown.csproj
+++ b/DiscordChatExporter.Core.Markdown/DiscordChatExporter.Core.Markdown.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DiscordChatExporter.Core.Models/DiscordChatExporter.Core.Models.csproj b/DiscordChatExporter.Core.Models/DiscordChatExporter.Core.Models.csproj
index 20446bc..a6d5ffa 100644
--- a/DiscordChatExporter.Core.Models/DiscordChatExporter.Core.Models.csproj
+++ b/DiscordChatExporter.Core.Models/DiscordChatExporter.Core.Models.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DiscordChatExporter.Core.Rendering/DiscordChatExporter.Core.Rendering.csproj b/DiscordChatExporter.Core.Rendering/DiscordChatExporter.Core.Rendering.csproj
index bd5c30c..8ad70e6 100644
--- a/DiscordChatExporter.Core.Rendering/DiscordChatExporter.Core.Rendering.csproj
+++ b/DiscordChatExporter.Core.Rendering/DiscordChatExporter.Core.Rendering.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DiscordChatExporter.Core.Services/DiscordChatExporter.Core.Services.csproj b/DiscordChatExporter.Core.Services/DiscordChatExporter.Core.Services.csproj
index ffa8a48..baafc74 100644
--- a/DiscordChatExporter.Core.Services/DiscordChatExporter.Core.Services.csproj
+++ b/DiscordChatExporter.Core.Services/DiscordChatExporter.Core.Services.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/DiscordChatExporter.Gui/DiscordChatExporter.Gui.csproj b/DiscordChatExporter.Gui/DiscordChatExporter.Gui.csproj
index cc4db40..151f51b 100644
--- a/DiscordChatExporter.Gui/DiscordChatExporter.Gui.csproj
+++ b/DiscordChatExporter.Gui/DiscordChatExporter.Gui.csproj
@@ -13,6 +13,7 @@
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <LangVersion>latest</LangVersion>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
     <TargetFrameworkProfile />