diff --git a/src/msgraph-cli.csproj b/src/msgraph-cli.csproj
index 308a823637b..b855a8a737f 100644
--- a/src/msgraph-cli.csproj
+++ b/src/msgraph-cli.csproj
@@ -5,7 +5,7 @@
     <TargetFramework>net7.0</TargetFramework>
     <RootNamespace>Microsoft.Graph.Cli</RootNamespace>
     <ImplicitUsings>disable</ImplicitUsings>
-    <Nullable>disable</Nullable>
+    <Nullable>enable</Nullable>
     <AssemblyName>mgc</AssemblyName>
     <Version>0.1.0-preview.7</Version>
   </PropertyGroup>