diff --git a/examples/UglyToad.Examples.csproj b/examples/UglyToad.Examples.csproj
index 8bc1ec4d..748f58a3 100644
--- a/examples/UglyToad.Examples.csproj
+++ b/examples/UglyToad.Examples.csproj
@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
+    <LangVersion>latest</LangVersion>
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp2.1</TargetFramework>
   </PropertyGroup>
diff --git a/tools/UglyToad.PdfPig.ConsoleRunner/UglyToad.PdfPig.ConsoleRunner.csproj b/tools/UglyToad.PdfPig.ConsoleRunner/UglyToad.PdfPig.ConsoleRunner.csproj
index 4a026adc..a8075923 100644
--- a/tools/UglyToad.PdfPig.ConsoleRunner/UglyToad.PdfPig.ConsoleRunner.csproj
+++ b/tools/UglyToad.PdfPig.ConsoleRunner/UglyToad.PdfPig.ConsoleRunner.csproj
@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
+    <LangVersion>latest</LangVersion>
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp2.1</TargetFramework>
   </PropertyGroup>