diff --git a/src/Data/Abstract/Origin.hs b/src/Data/Abstract/Origin.hs
index 4be7244ec..ea5d9db13 100644
--- a/src/Data/Abstract/Origin.hs
+++ b/src/Data/Abstract/Origin.hs
@@ -5,6 +5,7 @@ import Data.Range
 import Data.Span
 import Prologue
 
+-- TODO: Upstream dependencies
 data Origin
   = Unknown
   | Local !ModuleName !FilePath !Range !Span