diff --git a/library/Potoki/Produce.hs b/library/Potoki/Produce.hs
--- a/library/Potoki/Produce.hs
+++ b/library/Potoki/Produce.hs
@@ -13,7 +13,11 @@
   directoryContents,
   finiteMVar,
   infiniteMVar,
+  tbmChan,
+  tmChan,
   enumInRange,
+  mergeOrdering,
+  unfoldr,
 )
 where
 
diff --git a/library/Potoki/Transform.hs b/library/Potoki/Transform.hs
--- a/library/Potoki/Transform.hs
+++ b/library/Potoki/Transform.hs
@@ -15,15 +15,17 @@
   list,
   vector,
   batch,
-  chunk,
   distinctBy,
   distinct,
   executeIO,
   mapInIO,
+  reportProgress,
+  handleProgressAndCountOnInterval,
   -- * ByteString
   builderChunks,
   extractLines,
   extractLinesWithoutTrail,
+  extractLinesConcurrently,
   -- * State
   runState,
   execState,
@@ -38,9 +40,11 @@
   bufferize,
   bufferizeFlushing,
   concurrently,
+  concurrentlyInOrder,
   unsafeConcurrently,
   async,
   concurrentlyWithBatching,
+  concurrentlyInOrderWithBatching,
   -- * File IO
   deleteFile,
   appendBytesToFile,
diff --git a/potoki.cabal b/potoki.cabal
--- a/potoki.cabal
+++ b/potoki.cabal
@@ -1,7 +1,7 @@
 name:
   potoki
 version:
-  2.0.15
+  2.1.4.1
 synopsis:
   Simple streaming in IO
 description:
@@ -73,5 +73,5 @@
     Potoki.Produce
     Potoki.Transform
   build-depends:
-    potoki-core >=2.2.16 && <2.3
+    potoki-core >=2.3.4.1 && <2.4