diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+# v1.3.5.1 (2017/02/02)
+
+* Version bumps for megaparsec & servant
+
 # v1.3.5 (2017/01/31)
 
 * Ignored packages are not parsed anymore
diff --git a/README.adoc b/README.adoc
--- a/README.adoc
+++ b/README.adoc
@@ -85,7 +85,7 @@
 
 `--ignoredmodules`::
 
-Expects a list of comma-separated modules. The interpreter will not try to evaluate the defined types and classes from this module. This is useful for using modules that use bad
+Expects a list of comma-separated modules. The interpreter will not try to parse and evaluate the defined types and classes from this module. This is useful for using modules that use bad
 practices forbidden by `puppetresources`.
 
 `--commitdb`::
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:             1.3.5
+version:             1.3.5.1
 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, simulationg of complex interactions between nodes, Puppet master replacement, and more !
 homepage:            http://lpuppet.banquise.net/
@@ -104,7 +104,7 @@
                      , hspec
                      , lens                 >= 4.12    && < 5
                      , lens-aeson           >= 1.0
-                     , megaparsec           >= 5.0     && < 5.2
+                     , megaparsec           >= 5       && < 6
                      , memory               >= 0.7
                      , mtl                  >= 2.2.1   && < 2.3
                      , operational          >= 0.2.3   && < 0.3
@@ -113,10 +113,10 @@
                      , process              >= 1.2
                      , random
                      , regex-pcre-builtin   >= 0.94.4
-                     , scientific           >= 0.2   && < 0.4
+                     , scientific           >= 0.2 && < 0.4
                      , semigroups
-                     , servant              == 0.9.*
-                     , servant-client       == 0.9.*
+                     , servant              >= 0.9 && < 1
+                     , servant-client       >= 0.9 && < 1
                      , split                == 0.2.*
                      , stm                  == 2.4.*
                      , strict-base-types    >= 0.3