diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,9 @@
+0.1.12 (30 September 2013)
+--------------------------
+
+  - add liftRandT and liftRand functions, for lifting explicit
+    generator-passing functions into RandT and Rand, respectively.
+
 0.1.11 (1 August 2013)
 ----------------------
 
diff --git a/Control/Monad/Random.hs b/Control/Monad/Random.hs
--- a/Control/Monad/Random.hs
+++ b/Control/Monad/Random.hs
@@ -36,7 +36,10 @@
     runRand,
     evalRandIO,
     fromList,
-    Rand, RandT -- but not the data constructors
+    Rand, RandT, -- but not the data constructors
+    -- * Special lift functions
+    liftRand,
+    liftRandT
     -- * Example
     -- $RandExample
     ) where
@@ -70,6 +73,18 @@
                  let (x, v') = t v
                  put v'
                  return x
+
+-- | Lift arbitrary action to RandT
+liftRandT :: (Monad m, RandomGen g, Random a) =>
+             (g -> m (a, g)) -- ^ action returning value and new generator state
+             -> RandT g m a
+liftRandT = RandT . StateT
+
+-- | Lift arbitrary action to Rand
+liftRand :: (RandomGen g, Random a) =>
+            (g -> (a, g)) -- ^ action returning value and new generator state
+            -> Rand g a
+liftRand = Rand . RandT . liftState
 
 instance (Monad m, RandomGen g) => MonadRandom (RandT g m) where
     getRandom = RandT . liftState $ random
diff --git a/MonadRandom.cabal b/MonadRandom.cabal
--- a/MonadRandom.cabal
+++ b/MonadRandom.cabal
@@ -1,5 +1,5 @@
 name:                MonadRandom
-version:             0.1.11
+version:             0.1.12
 synopsis:            Random-number generation monad.
 description:         Support for computations which consume random values.
 license:             OtherLicense
@@ -18,3 +18,4 @@
 library
   exposed-modules:     Control.Monad.Random, Control.Monad.Random.Class
   build-depends:       base >= 2 && < 5, transformers, mtl, random
+  ghc-options: -Wall