diff --git a/manifests/init.pp b/manifests/init.pp
index 9208bbc..8e566db 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -23,6 +23,16 @@ class jeepyb (
           ensure => present,
         }
       }
+      if ! defined(Package['libxml2-dev']) {
+        package { 'libxml2-dev':
+          ensure => present,
+        }
+      }
+      if ! defined(Package['libxslt-dev']) {
+        package { 'libxslt-dev':
+          ensure => present,
+        }
+      }
     }
     'RedHat': {
       if ! defined(Package['PyYAML']) {
@@ -30,6 +40,16 @@ class jeepyb (
           ensure => present,
         }
       }
+      if ! defined(Package['libxml2-devel']) {
+        package { 'libxml2-devel':
+          ensure => present,
+        }
+      }
+      if ! defined(Package['libxslt-devel']) {
+        package { 'libxslt-devel':
+          ensure => present,
+        }
+      }
     }
     default: {
       fail("Unsupported osfamily: ${::osfamily} The 'jeepyb' module only supports osfamily Debian or RedHat.")