diff --git a/FolderSync/FolderSync.csproj b/FolderSync/FolderSync.csproj
index c23ad95..aea92e0 100644
--- a/FolderSync/FolderSync.csproj
+++ b/FolderSync/FolderSync.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="mediabrowser.server.core" Version="4.7.9" />
+    <PackageReference Include="mediabrowser.server.core" Version="4.9.1.90" />
     <PackageReference Include="System.Memory" Version="4.5.3" />
   </ItemGroup>