diff --git a/pipes-csv.cabal b/pipes-csv.cabal
--- a/pipes-csv.cabal
+++ b/pipes-csv.cabal
@@ -1,5 +1,5 @@
 name:                pipes-csv
-version:             1.3.0
+version:             1.4.0
 synopsis:            Fast, streaming csv parser
 license:             MIT
 license-file:        LICENSE
@@ -26,7 +26,7 @@
 
   build-depends:
       base                  >= 4       && < 5
-    , cassava               >= 0.3     && < 0.4
+    , cassava               >= 0.4     && < 0.5
     , pipes                 >= 4       && < 5
     , unordered-containers  < 0.3
     , blaze-builder         < 0.4
@@ -50,8 +50,8 @@
     build-depends:
         base
       , HUnit >= 1.2
-      , pipes                 >= 4       && < 5
-      , pipes-bytestring     >= 2       && < 3
+      , pipes                >= 4 && < 5
+      , pipes-bytestring     >= 2 && < 3
       , pipes-csv
       , cassava
       , vector
diff --git a/test/test-pipes-csv.hs b/test/test-pipes-csv.hs
--- a/test/test-pipes-csv.hs
+++ b/test/test-pipes-csv.hs
@@ -123,7 +123,7 @@
     , "\n"
     , "Sue,22abc\n" -- consumes 22 and discards "abc"
     -- , "zz\n" -- throws an exception
-    , "no space allowed, 99\n"
+    , "space allowed, 99\n"
     , "eof,99"
     ]
 
@@ -133,8 +133,8 @@
     , Right (Person "Jimbo" 21)
     , Right (Person "Bill" 1)
     , Right (Person "Billy" 2)
-    , Right (Person "Sue" 22)
-    , Left "expected Int, got \" 99\" (Failed reading: takeWhile1)"
+    , Left "expected Int, got \"22abc\" (incomplete field parse, leftover: [97,98,99])"
+    , Right (Person "space allowed" 99)
     , Right (Person "eof" 99)
     ]
 
@@ -166,7 +166,7 @@
 ioDecoderPerson' = runEffect $
     for (decoderPerson' (each $ map C.pack decoderPersonStream)) (lift . print)
 
-decoderPerson'Result = [21,55,21,1,2,22,99]
+decoderPerson'Result = [21,55,21,1,2,99,99]
 
 testDecoderPerson' :: Assertion
 testDecoderPerson' =