diff --git a/src/Hash2Pub/FediChordTypes.hs b/src/Hash2Pub/FediChordTypes.hs
index 9366a3f..7fd5df4 100644
--- a/src/Hash2Pub/FediChordTypes.hs
+++ b/src/Hash2Pub/FediChordTypes.hs
@@ -19,6 +19,8 @@ module Hash2Pub.FediChordTypes (
   , setPredecessors
   , NodeCache
   , NodeCacheEntry
+  , LookupCache
+  , LookupCacheEntry
   , CacheEntry(..)
   , RingEntry(..)
   , RingMap(..)