diff --git a/README.md b/README.md
index 25e20fa..816470e 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,17 @@ Setup
 * configuration of the server, zones, acls, keys, and views
 * creation of TSIG and DNSSEC keys
 
+Dependencies
+------------
+
+The BIND module depends on
+[ripienaar/module_data]](https://forge.puppetlabs.com/ripienaar/module_data)
+for hiera module data support and
+[puppetlabs/stdlib](https://forge.puppetlabs.com/puppetlabs/stdlib) for certain
+parser functions. When using the BIND module, please install the module using
+`puppet module install` or an equivalent substitute in order to ensure that its
+dependencies are met.
+
 ###Getting started
 
 To begin using the BIND module with default parameters, declare the class
diff --git a/metadata.json b/metadata.json
index 2bd70fd..4c5a8cb 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,6 +1,6 @@
 {
   "name": "inkblot/bind",
-  "version": "4.2.2",
+  "version": "4.3.0",
   "author": "inkblot",
   "license": "Apache-2.0",
   "summary": "ISC BIND name server",
@@ -29,6 +29,6 @@
   "dependencies": [
     { "name": "puppetlabs/stdlib" },
     { "name": "puppetlabs/concat", "version_requirement": ">=1.0.0 <2.0.0" },
-    { "name": "ripienaar/module_data" }
+    { "name": "ripienaar/module_data", "version_requirement": ">=0.0.3" }
   ]
 }