diff --git a/x509-system.cabal b/x509-system.cabal
--- a/x509-system.cabal
+++ b/x509-system.cabal
@@ -1,5 +1,5 @@
 Name:                x509-system
-Version:             1.6.4
+version:             1.6.5
 Description:         System X.509 handling
 License:             BSD3
 License-file:        LICENSE
@@ -11,9 +11,10 @@
 Category:            Data
 stability:           experimental
 Homepage:            http://github.com/vincenthz/hs-certificate
-Cabal-Version:       >=1.8
+Cabal-Version:       >= 1.10
 
 Library
+  Default-Language:  Haskell2010
   Build-Depends:     base >= 3 && < 5
                    , bytestring
                    , mtl
@@ -22,8 +23,8 @@
                    , filepath
                    , process
                    , pem >= 0.1 && < 0.3
-                   , x509 >= 1.6 && < 1.7
-                   , x509-store >= 1.6.2 && < 1.7
+                   , x509 >= 1.6
+                   , x509-store >= 1.6.2
   Exposed-modules:   System.X509
                      System.X509.Unix
                      System.X509.MacOS