diff --git a/Tests/Tests.hs b/Tests/Tests.hs
--- a/Tests/Tests.hs
+++ b/Tests/Tests.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE ViewPatterns #-}
+{-# LANGUAGE OverloadedStrings #-}
 module Main where
 
 import Control.Applicative
@@ -13,7 +14,7 @@
 import Data.Byteable
 import qualified Data.ByteString as B
 import qualified Crypto.Cipher.AES as AES
-import Crypto.Cipher.Types -- (iv128, IV(..), AuthTag(..), key128, key192, key256)
+import Crypto.Cipher.Types
 import Crypto.Cipher.Tests
 
 import qualified KATECB
@@ -38,6 +39,12 @@
 kats128 = defaultKATs
     { kat_ECB  = map toKatECB KATECB.vectors_aes128_enc
     , kat_CBC  = map toKatCBC KATCBC.vectors_aes128_enc
+    , kat_CFB  = [ KAT_CFB { cfbKey        = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6\xab\xf7\x15\x88\x09\xcf\x4f\x3c"
+                           , cfbIV         = "\xC8\xA6\x45\x37\xA0\xB3\xA9\x3F\xCD\xE3\xCD\xAD\x9F\x1C\xE5\x8B"
+                           , cfbPlaintext  = "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11\xe5\xfb\xc1\x19\x1a\x0a\x52\xef"
+                           , cfbCiphertext = "\x26\x75\x1f\x67\xa3\xcb\xb1\x40\xb1\x80\x8c\xf1\x87\xa4\xf4\xdf"
+                           }
+                 ]
     , kat_XTS  = map toKatXTS KATXTS.vectors_aes128_enc
     , kat_AEAD = map toKatGCM KATGCM.vectors_aes128_enc
     }
diff --git a/cipher-aes.cabal b/cipher-aes.cabal
--- a/cipher-aes.cabal
+++ b/cipher-aes.cabal
@@ -1,5 +1,5 @@
 Name:                cipher-aes
-Version:             0.2.5
+Version:             0.2.6
 Description:
     Fast AES cipher implementation with advanced mode of operations.
     .
@@ -34,8 +34,8 @@
   Build-Depends:     base >= 4 && < 5
                    , bytestring
                    , byteable
-                   , crypto-cipher-types >= 0.0.3
                    , securemem >= 0.1.2
+                   , crypto-cipher-types >= 0.0.6 && < 0.1
   Exposed-modules:   Crypto.Cipher.AES
   ghc-options:       -Wall -optc-O3 -fno-cse -fwarn-tabs
   C-sources:         cbits/aes_generic.c
@@ -52,8 +52,8 @@
   Main-Is:           Tests.hs
   Build-depends:     base >= 4 && < 5
                    , cipher-aes
-                   , crypto-cipher-types >= 0.0.3
-                   , crypto-cipher-tests
+                   , crypto-cipher-types >= 0.0.6
+                   , crypto-cipher-tests >= 0.0.8
                    , bytestring
                    , byteable
                    , QuickCheck >= 2
@@ -67,8 +67,8 @@
   Build-depends:     base >= 4 && < 5
                    , bytestring
                    , cipher-aes
-                   , crypto-cipher-types >= 0.0.3
-                   , crypto-cipher-benchmarks
+                   , crypto-cipher-types >= 0.0.6
+                   , crypto-cipher-benchmarks >= 0.0.4
                    , criterion
                    , mtl