diff --git a/language-puppet.cabal b/language-puppet.cabal
--- a/language-puppet.cabal
+++ b/language-puppet.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                language-puppet
-version:             1.4.6.1
+version:             1.4.6.2
 synopsis:            Tools to parse and evaluate the Puppet DSL.
 description:         This is a set of tools that is supposed to fill all your Puppet needs : syntax checks, catalog compilation, PuppetDB queries, simulation of complex interactions between nodes, Puppet master replacement, and more !
 homepage:            http://lpuppet.banquise.net/
@@ -129,8 +129,8 @@
                      , random
                      , regex-pcre-builtin   >= 0.94.4
                      , scientific           >= 0.2     && < 0.4
-                     , servant              >= 0.9     && < 0.17
-                     , servant-client       >= 0.9     && < 0.17
+                     , servant              >= 0.9     && < 0.18
+                     , servant-client       >= 0.9     && < 0.18
                      , split                == 0.2.*
                      , stm                  >= 2.4     && < 2.6
                      , strict-base-types    >= 0.3