diff --git a/Tests/Tests.hs b/Tests/Tests.hs
--- a/Tests/Tests.hs
+++ b/Tests/Tests.hs
@@ -5,6 +5,7 @@
 import Crypto.Cipher.Blowfish
 import Crypto.Cipher.Types
 import Crypto.Cipher.Tests
+import Data.ByteString.Char8 () -- orphan IsString for older bytestring versions
 
 vectors_ecb = -- key plaintext cipher
     [ KAT_ECB "\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00" "\x4E\xF9\x97\x45\x61\x98\xDD\x78"
diff --git a/cipher-blowfish.cabal b/cipher-blowfish.cabal
--- a/cipher-blowfish.cabal
+++ b/cipher-blowfish.cabal
@@ -1,5 +1,5 @@
 Name:                cipher-blowfish
-Version:             0.0.1
+Version:             0.0.2
 Description:         Blowfish cipher primitives
 License:             BSD3
 License-file:        LICENSE