diff --git a/timeparsers.cabal b/timeparsers.cabal
--- a/timeparsers.cabal
+++ b/timeparsers.cabal
@@ -1,5 +1,5 @@
 Name:                timeparsers
-Version:             0.3
+Version:             0.3.1
 Synopsis:            Attoparsec parsers for various Date/Time formats.
 License:             BSD3
 License-file:        LICENSE
@@ -31,7 +31,7 @@
   Build-depends:
         base >= 4 && < 5,
         bytestring >= 0.9.1 && < 0.10,
-        attoparsec >= 0.10.1 && < 0.11,
+        attoparsec >= 0.9.1.2 && < 0.11,
         time >= 1.0 && < 1.3,
         mtl >= 2.0.1 && <= 2.1,
         convertible >= 1.0 && < 1.1,