diff --git a/x509-util.cabal b/x509-util.cabal
--- a/x509-util.cabal
+++ b/x509-util.cabal
@@ -1,5 +1,5 @@
 Name:                x509-util
-Version:             1.6.1
+version:             1.6.2
 Description:         utility to parse, show, validate, sign and produce X509 certificates and chain.
 License:             BSD3
 License-file:        LICENSE
@@ -11,15 +11,16 @@
 Category:            Data
 stability:           experimental
 Homepage:            http://github.com/vincenthz/hs-certificate
-Cabal-Version:       >=1.6
+Cabal-Version:       >= 1.10
 
 Executable           x509-util
+  Default-Language:  Haskell2010
   Main-Is:           Certificate.hs
   hs-source-dirs:    src
   Buildable:         True
   Build-depends:     base >= 3 && < 5
                    , bytestring
-                   , x509 >= 1.6.2
+                   , x509 >= 1.7.0
                    , x509-store
                    , x509-system
                    , x509-validation >= 1.6.3