diff --git a/clientsession.cabal b/clientsession.cabal
--- a/clientsession.cabal
+++ b/clientsession.cabal
@@ -1,5 +1,5 @@
 name:            clientsession
-version:         0.9.0.2
+version:         0.9.0.3
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>, Felipe Lessa <felipe.lessa@gmail.com>
@@ -32,6 +32,7 @@
                    , entropy             >= 0.2.1
                    , cprng-aes           >= 0.2
                    , cipher-aes          >= 0.1.7
+                   , crypto-random
     exposed-modules: Web.ClientSession
     ghc-options:     -Wall
     hs-source-dirs:  src
diff --git a/src/Web/ClientSession.hs b/src/Web/ClientSession.hs
--- a/src/Web/ClientSession.hs
+++ b/src/Web/ClientSession.hs
@@ -2,6 +2,7 @@
 {-# LANGUAGE ForeignFunctionInterface #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE CPP #-}
+{-# LANGUAGE PackageImports #-}
 ---------------------------------------------------------
 --
 -- |
@@ -77,7 +78,7 @@
 
 -- from crypto-api
 import Crypto.Classes (constTimeEq)
-import Crypto.Random (genSeedLength, reseed)
+import "crypto-api" Crypto.Random (genSeedLength, reseed)
 import Crypto.Types (ByteLength)
 
 -- from cipher-aes
@@ -90,7 +91,12 @@
 import System.Entropy (getEntropy)
 
 -- from cprng-aes
+#if MIN_VERSION_cprng_aes(0,5,0)
+import Crypto.Random.AESCtr (AESRNG, makeSystem)
+import "crypto-random" Crypto.Random (cprgGenerate)
+#else
 import Crypto.Random.AESCtr (AESRNG, makeSystem, genRandomBytes)
+#endif
 
 
 -- | The keys used to store the cookies.  We have an AES key used
@@ -295,7 +301,9 @@
 aesRNG = do
   (bs, count) <-
       I.atomicModifyIORef aesRef $ \(ASt rng count) ->
-#if MIN_VERSION_cprng_aes(0, 3, 2)
+#if MIN_VERSION_cprng_aes(0, 5, 0)
+          let (bs', rng') = cprgGenerate 16 rng
+#elif MIN_VERSION_cprng_aes(0, 3, 2)
           let (bs', rng') = genRandomBytes 16 rng
 #else
           let (bs', rng') = genRandomBytes rng 16