diff --git a/library/Potoki/Core/Consume.hs b/library/Potoki/Core/Consume.hs
--- a/library/Potoki/Core/Consume.hs
+++ b/library/Potoki/Core/Consume.hs
@@ -1,6 +1,14 @@
-module Potoki.Core.Consume where
+module Potoki.Core.Consume
+(
+  Consume(..),
+  apConcurrently,
+  list,
+  sum,
+  transform,
+)
+where
 
-import Potoki.Core.Prelude
+import Potoki.Core.Prelude hiding (sum)
 import Potoki.Core.Types
 import qualified Potoki.Core.Fetch as A
 
diff --git a/library/Potoki/Core/Fetch.hs b/library/Potoki/Core/Fetch.hs
--- a/library/Potoki/Core/Fetch.hs
+++ b/library/Potoki/Core/Fetch.hs
@@ -1,4 +1,18 @@
-module Potoki.Core.Fetch where
+module Potoki.Core.Fetch
+(
+  Fetch(..),
+  duplicate,
+  maybeRef,
+  list,
+  firstCachingSecond,
+  bothFetchingFirst,
+  rightHandlingLeft,
+  rightCachingLeft,
+  eitherFetchingRight,
+  signaling,
+  ioMaybe,
+)
+where
 
 import Potoki.Core.Prelude
 import Potoki.Core.Types
diff --git a/library/Potoki/Core/Produce.hs b/library/Potoki/Core/Produce.hs
--- a/library/Potoki/Core/Produce.hs
+++ b/library/Potoki/Core/Produce.hs
@@ -1,4 +1,10 @@
-module Potoki.Core.Produce where
+module Potoki.Core.Produce
+(
+  Produce(..),
+  list,
+  transform,
+)
+where
 
 import Potoki.Core.Prelude
 import Potoki.Core.Types
diff --git a/potoki-core.cabal b/potoki-core.cabal
--- a/potoki-core.cabal
+++ b/potoki-core.cabal
@@ -1,7 +1,7 @@
 name:
   potoki-core
 version:
-  0.9.1
+  0.9.2
 synopsis:
   Low-level components of "potoki"
 description: