diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,3 +3,8 @@
 ## 0.1.0.0 - 2023-09-15
 
 First release.
+
+
+## 0.1.1.0 - 2023-09-16
+
+Exported the data type `Result`.
diff --git a/adaptive-cubature.cabal b/adaptive-cubature.cabal
--- a/adaptive-cubature.cabal
+++ b/adaptive-cubature.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.2
 name:                adaptive-cubature
-version:             0.1.0.0
+version:             0.1.1.0
 synopsis:            Multidimensional integration
 description:         Adaptive integration of a multivariate function on a hyperrectangle.
 homepage:            https://github.com/stla/adaptive-cubature#readme
diff --git a/src/Numerical/Cubature.hs b/src/Numerical/Cubature.hs
--- a/src/Numerical/Cubature.hs
+++ b/src/Numerical/Cubature.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE ForeignFunctionInterface #-}
 module Numerical.Cubature
-  (cubature)
+  (cubature, Result(..))
   where
 import           Foreign.C.Types       (CUInt(..))
 import           Foreign.Marshal.Alloc (free, mallocBytes)