diff --git a/src/TimeZoneNames/TimeZoneNames.csproj b/src/TimeZoneNames/TimeZoneNames.csproj
index e7e91b6..6d1234d 100644
--- a/src/TimeZoneNames/TimeZoneNames.csproj
+++ b/src/TimeZoneNames/TimeZoneNames.csproj
@@ -32,7 +32,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="('$(TargetFramework)' == 'netstandard2.0') Or ('$(TargetFramework)' == 'netstandard2.1') Or ('$(TargetFramework)' == 'net462')">
-    <PackageReference Include="System.Text.Json" Version="9.0.10" />
+    <PackageReference Include="System.Text.Json" Version="10.0.0" />
   </ItemGroup>
 
 </Project>