diff --git a/src/core/containers.ml b/src/core/containers.ml
index cb3f4814..6db033eb 100644
--- a/src/core/containers.ml
+++ b/src/core/containers.ml
@@ -42,3 +42,6 @@ module Result = CCResult
 module Set = CCSet
 module String = CCString
 module Vector = CCVector
+module Monomorphic = CCMonomorphic
+
+include Monomorphic