diff --git a/library/Potoki/Transform.hs b/library/Potoki/Transform.hs
--- a/library/Potoki/Transform.hs
+++ b/library/Potoki/Transform.hs
@@ -27,6 +27,7 @@
   execState,
   evalState,
   -- * Parsing
+  scan,
   parseBytes,
   parseText,
   parseLineBytesConcurrently,
diff --git a/potoki.cabal b/potoki.cabal
--- a/potoki.cabal
+++ b/potoki.cabal
@@ -1,7 +1,7 @@
 name:
   potoki
 version:
-  2.0.3
+  2.0.4
 synopsis:
   Simple streaming in IO
 description:
@@ -73,5 +73,5 @@
     Potoki.Produce
     Potoki.Transform
   build-depends:
-    potoki-core >=2.2.5 && <2.3
+    potoki-core >=2.2.6 && <2.3