diff --git a/src/Data/Prodder.hs b/src/Data/Prodder.hs
--- a/src/Data/Prodder.hs
+++ b/src/Data/Prodder.hs
@@ -36,7 +36,7 @@
   , IndexIn
   , HasIndexIn
   , Consumer
-  , (<>)
+  , type (<>)
   , Length
   , Tail
   , Init
diff --git a/summer.cabal b/summer.cabal
--- a/summer.cabal
+++ b/summer.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                summer
-version:             0.1.1.0
+version:             0.1.2.0
 synopsis:            An implementation of extensible products and sums
 description:         An implementation of extensible products and sums.
 license:             MIT