diff --git a/.appveyor.yml b/.appveyor.yml
index ce8a053dd..7fc963e1d 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -36,6 +36,7 @@ cache:
 - packages -> **\packages.config
 - Dependencies
 - SS14.Client.Godot\.mono\assemblies\GodotSharp.dll
+- SS14.Client.Godot\.mono\assemblies\LAST_MODIFIED
 
 build:
   project: SpaceStation14.sln