diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+# v1.3.2.1 (2016/10/04)
+
+* Support for megaparsec 5.1
+
 # v1.3.2 (2016/09/21)
 
 * Add stdlib `validate_integer`
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:             1.3.2
+version:             1.3.2.1
 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.*
+                     , megaparsec           >= 5.0     && < 5.2
                      , memory               >= 0.7
                      , mtl                  >= 2.2.1   && < 2.3
                      , operational          >= 0.2.3   && < 0.3