diff --git a/metadata.json b/metadata.json
index 77c9042..af5a25c 100644
--- a/metadata.json
+++ b/metadata.json
@@ -15,15 +15,15 @@
         },
         {
             "name": "openstack/openstacklib",
-            "version_requirement": ">=16.3.0 <17.0.0"
+            "version_requirement": ">=16.4.0 <17.0.0"
         },
         {
             "name": "openstack/keystone",
-            "version_requirement": ">=16.3.0 <17.0.0"
+            "version_requirement": ">=16.4.0 <17.0.0"
         },
         {
             "name": "openstack/oslo",
-            "version_requirement": ">=16.3.0 <17.0.0"
+            "version_requirement": ">=16.4.0 <17.0.0"
         }
     ],
     "description": "Installs and configures OpenStack Ec2api.",
@@ -71,5 +71,5 @@
     ],
     "source": "git://github.com/openstack/puppet-ec2api.git",
     "summary": "Puppet module for OpenStack Ec2api",
-    "version": "16.3.0"
+    "version": "16.4.0"
 }