diff --git a/infrastructure/test-umbraco/MCPTestSite/MCPTestSite.csproj b/infrastructure/test-umbraco/MCPTestSite/MCPTestSite.csproj
index 1c68de5..4bc721a 100644
--- a/infrastructure/test-umbraco/MCPTestSite/MCPTestSite.csproj
+++ b/infrastructure/test-umbraco/MCPTestSite/MCPTestSite.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="clean" Version="5.0.0" />
-    <PackageReference Include="Umbraco.Cms" Version="15.3.1" />
+    <PackageReference Include="Umbraco.Cms" Version="15.4.2" />
   </ItemGroup>
 
   <ItemGroup>