diff --git a/system-linux-proc.cabal b/system-linux-proc.cabal
--- a/system-linux-proc.cabal
+++ b/system-linux-proc.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                system-linux-proc
-version:             0.1.0.1
+version:             0.1.0.2
 synopsis:            A library for accessing the /proc filesystem in Linux
 -- description:
 homepage:            https://github.com/erikd/system-linux-proc
@@ -28,10 +28,10 @@
                      , System.Linux.Proc.Process
 
   build-depends:       base                          >= 4.8         && < 5.0
-                     , attoparsec                    == 0.13.*
+                     , attoparsec                    >= 0.12        && < 0.14
                      , bytestring                    == 0.10.*
                      , containers                    == 0.5.*
-                     , directory                     == 1.3.*
+                     , directory                     >= 1.2         && < 1.4
                      , errors                        == 2.2.*
                      , text                          == 1.2.*