diff --git a/GraphTutorial/GraphTutorial.csproj b/GraphTutorial/GraphTutorial.csproj
index a4fa247..2afb794 100644
--- a/GraphTutorial/GraphTutorial.csproj
+++ b/GraphTutorial/GraphTutorial.csproj
@@ -20,7 +20,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="TimeZoneConverter" Version="6.1.0" />
+    <PackageReference Include="TimeZoneConverter" Version="7.1.0" />
   </ItemGroup>
 
 </Project>