diff --git a/codex/slots.nim b/codex/slots.nim
index 262b0a6e..7916a18c 100644
--- a/codex/slots.nim
+++ b/codex/slots.nim
@@ -1,8 +1,9 @@
 import ./slots/builder
 import ./slots/sampler
+import ./slots/types
 import ./merkletree
 
-export builder, sampler
+export builder, sampler, types
 
 type
   Poseidon2Builder* = SlotsBuilder[Poseidon2Tree, Poseidon2Hash]