diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,5 @@
+1.2.1 : Fixed: now exports purge
+
 1.2.0 : Added MonadFix instance for KeyT
 
 1.1.9 : Added NOINLINE pragma for KeyT
diff --git a/Data/HMap.hs b/Data/HMap.hs
--- a/Data/HMap.hs
+++ b/Data/HMap.hs
@@ -164,6 +164,8 @@
 
             -- ** Intersection
             , intersection
+            -- * Garbage collection
+            , purge
             -- * Key reexports
             , module Data.HKey
             ) 
diff --git a/HMap.cabal b/HMap.cabal
--- a/HMap.cabal
+++ b/HMap.cabal
@@ -1,5 +1,5 @@
 Name:                HMap
-Version:             1.2.0
+Version:             1.2.1
 Synopsis:	     Fast heterogeneous maps and unconstrained typeable like functionality.
 Description:         Fast heterogeneous maps based on Hashmaps and type-able like functionality for type that are not typeable.
 License:             BSD3