diff --git a/provider/puppet/manifest.rb b/provider/puppet/manifest.rb
index e2eccd9d657c..d781e1eb3513 100644
--- a/provider/puppet/manifest.rb
+++ b/provider/puppet/manifest.rb
@@ -11,6 +11,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+require 'provider/core'
+
 module Provider
   class Puppet < Provider::Core
     # Metadata for manifest.json