diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 0.3.2
+
+* Export IOPRef, IOSRef, IOBRef [#5](https://github.com/fpco/mutable-containers/pull/5)
+
 ## 0.3.1
 
 * Export IOURef [#4](https://github.com/fpco/mutable-containers/pull/4)
diff --git a/Data/Mutable.hs b/Data/Mutable.hs
--- a/Data/Mutable.hs
+++ b/Data/Mutable.hs
@@ -6,13 +6,16 @@
     ( -- * Data types
       -- ** Single-cell mutable references
       PRef
+    , IOPRef
     , asPRef
     , URef
     , IOURef
     , asURef
     , SRef
+    , IOSRef
     , asSRef
     , BRef
+    , IOBRef
     , asBRef
       -- *** Standard re-exports
     , IORef
diff --git a/mutable-containers.cabal b/mutable-containers.cabal
--- a/mutable-containers.cabal
+++ b/mutable-containers.cabal
@@ -1,5 +1,5 @@
 name:                mutable-containers
-version:             0.3.1
+version:             0.3.2
 synopsis:            Abstactions and concrete implementations of mutable containers
 description:         See docs and README at <http://www.stackage.org/package/mutable-containers>
 homepage:            https://github.com/fpco/mutable-containers