diff --git a/ColdMint.Traveler.csproj b/ColdMint.Traveler.csproj
index dafdfc5..c893429 100644
--- a/ColdMint.Traveler.csproj
+++ b/ColdMint.Traveler.csproj
@@ -6,5 +6,6 @@
     <EnableDynamicLoading>true</EnableDynamicLoading>
     <RootNamespace>ColdMint</RootNamespace>
     <Nullable>enable</Nullable>
+    <LangVersion>12</LangVersion>
   </PropertyGroup>
 </Project>
\ No newline at end of file