diff --git a/manifests/repo.pp b/manifests/repo.pp
index d717792..a0203fe 100644
--- a/manifests/repo.pp
+++ b/manifests/repo.pp
@@ -3,7 +3,7 @@
 # @param version
 #   The Pulpcore version to use
 class pulpcore::repo (
-  Pattern['^\d+\.\d+$'] $version = '3.28',
+  Variant[Enum['nightly'], Pattern['^\d+\.\d+$']] $version = '3.28',
 ) {
   $dist_tag = "el${facts['os']['release']['major']}"
   $context = {
diff --git a/spec/classes/repo_spec.rb b/spec/classes/repo_spec.rb
index 77aa440..0da9730 100644
--- a/spec/classes/repo_spec.rb
+++ b/spec/classes/repo_spec.rb
@@ -5,26 +5,43 @@
     context "on #{os}" do
       let(:facts) { os_facts }
 
-      it { is_expected.to compile.with_all_deps }
-      it do
-        is_expected.to contain_anchor('pulpcore::repo')
-        is_expected.to contain_file('/etc/yum.repos.d/pulpcore.repo')
-          .with_content(%r{^baseurl=https://yum.theforeman.org/pulpcore/\d+\.\d+/el\d+/\$basearch$})
-          .that_notifies('Anchor[pulpcore::repo]')
+      describe "with default values" do
+        it { is_expected.to compile.with_all_deps }
+        it do
+          is_expected.to contain_anchor('pulpcore::repo')
+          is_expected.to contain_file('/etc/yum.repos.d/pulpcore.repo')
+            .with_content(%r{^baseurl=https://yum.theforeman.org/pulpcore/\d+\.\d+/el\d+/\$basearch$})
+            .that_notifies('Anchor[pulpcore::repo]')
+        end
+
+        if os_facts[:os]['release']['major'] == '8'
+          it 'configures the pulpcore module' do
+            is_expected.to contain_package('pulpcore-dnf-module')
+              .with_name('pulpcore')
+              .with_ensure(/^el\d+/)
+              .with_enable_only(true)
+              .with_provider('dnfmodule')
+              .that_requires('File[/etc/yum.repos.d/pulpcore.repo]')
+              .that_notifies('Anchor[pulpcore::repo]')
+          end
+        else
+          it { is_expected.not_to contain_package('pulpcore-dnf-module') }
+        end
       end
 
-      if os_facts[:os]['release']['major'] == '8'
-        it 'configures the pulpcore module' do
-          is_expected.to contain_package('pulpcore-dnf-module')
-            .with_name('pulpcore')
-            .with_ensure(/^el\d+/)
-            .with_enable_only(true)
-            .with_provider('dnfmodule')
-            .that_requires('File[/etc/yum.repos.d/pulpcore.repo]')
+      describe "with nightly version" do
+        let :params do
+          {
+            version: 'nightly'
+          }
+        end
+
+        it { is_expected.to compile.with_all_deps }
+        it do
+          is_expected.to contain_file('/etc/yum.repos.d/pulpcore.repo')
+            .with_content(%r{^baseurl=https://yum.theforeman.org/pulpcore/nightly/el\d+/\$basearch$})
             .that_notifies('Anchor[pulpcore::repo]')
         end
-      else
-        it { is_expected.not_to contain_package('pulpcore-dnf-module') }
       end
     end
   end