diff --git a/src/jcdcdev.Umbraco.ReadingTime.TestSite/jcdcdev.Umbraco.ReadingTime.TestSite.csproj b/src/jcdcdev.Umbraco.ReadingTime.TestSite/jcdcdev.Umbraco.ReadingTime.TestSite.csproj
index f0cfa20..967f12f 100644
--- a/src/jcdcdev.Umbraco.ReadingTime.TestSite/jcdcdev.Umbraco.ReadingTime.TestSite.csproj
+++ b/src/jcdcdev.Umbraco.ReadingTime.TestSite/jcdcdev.Umbraco.ReadingTime.TestSite.csproj
@@ -6,7 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Umbraco.Cms" Version="17.0.0" />
+        <PackageReference Include="Umbraco.Cms" Version="18.0.0" />
         <PackageReference Include="uSync" Version="17.0.0" />
     </ItemGroup>