diff --git a/app/mailers/previews/notify_preview.rb b/app/mailers/previews/notify_preview.rb
index c70ac1428cdf8cd0622d1145e3573cbc60536750..f29d0d990b6bf6e306ea3d46548ce38eacf70721 100644
--- a/app/mailers/previews/notify_preview.rb
+++ b/app/mailers/previews/notify_preview.rb
@@ -89,7 +89,7 @@ def closed_merge_request_email
   end
 
   def merge_request_status_email
-    Notify.merge_request_status_email(user.id, merge_request.id, 'closed', user.id).message
+    Notify.merge_request_status_email(user.id, merge_request.id, 'reopened', user.id).message
   end
 
   def merged_merge_request_email
diff --git a/app/views/notify/merge_request_status_email.text.haml b/app/views/notify/merge_request_status_email.text.haml
index 3d7115856d49316083a5a7fb958cdd5e033db1f2..ab663b651993c6c705d5595e3dc638d1754bde30 100644
--- a/app/views/notify/merge_request_status_email.text.haml
+++ b/app/views/notify/merge_request_status_email.text.haml
@@ -6,3 +6,4 @@ Merge Request URL: #{project_merge_request_url(@merge_request.target_project, @m
 
 Author: #{sanitize_name(@merge_request.author_name)}
 = assignees_label(@merge_request)
+= reviewers_label(@merge_request)
diff --git a/changelogs/unreleased/300750-add-missing-reviewers-information-to-merge_request_status_email.yml b/changelogs/unreleased/300750-add-missing-reviewers-information-to-merge_request_status_email.yml
new file mode 100644
index 0000000000000000000000000000000000000000..83712f4b799fd0290e9a51c5574ba93a0dd722d5
--- /dev/null
+++ b/changelogs/unreleased/300750-add-missing-reviewers-information-to-merge_request_status_email.yml
@@ -0,0 +1,5 @@
+---
+title: Add reviewers detail to merge request status email
+merge_request: 55584
+author:
+type: added
diff --git a/spec/mailers/emails/merge_requests_spec.rb b/spec/mailers/emails/merge_requests_spec.rb
index d127867aa8250e966e0df16acd9ca5868dd74ecd..99a4730e22b3a717cb9786acead12af342bdbac8 100644
--- a/spec/mailers/emails/merge_requests_spec.rb
+++ b/spec/mailers/emails/merge_requests_spec.rb
@@ -90,6 +90,40 @@
     end
   end
 
+  describe '#merge_request_status_email' do
+    let(:status) { 'reopened' }
+
+    subject { Notify.merge_request_status_email(recipient.id, merge_request.id, status, current_user.id) }
+
+    it_behaves_like 'an answer to an existing thread with reply-by-email enabled' do
+      let(:model) { merge_request }
+    end
+
+    it_behaves_like 'it should show Gmail Actions View Merge request link'
+    it_behaves_like 'an unsubscribeable thread'
+    it_behaves_like 'appearance header and footer enabled'
+    it_behaves_like 'appearance header and footer not enabled'
+
+    it 'is sent as the author' do
+      sender = subject.header[:from].addrs[0]
+      expect(sender.display_name).to eq(current_user.name)
+      expect(sender.address).to eq(gitlab_sender)
+    end
+
+    it 'has the correct subject and body' do
+      aggregate_failures do
+        is_expected.to have_referable_subject(merge_request, reply: true)
+        is_expected.to have_body_text(status)
+        is_expected.to have_body_text(current_user_sanitized)
+        is_expected.to have_body_text(project_merge_request_path(project, merge_request))
+        is_expected.to have_link(merge_request.to_reference, href: project_merge_request_url(merge_request.target_project, merge_request))
+
+        expect(subject.text_part).to have_content(assignee.name)
+        expect(subject.text_part).to have_content(reviewer.name)
+      end
+    end
+  end
+
   describe "#merge_when_pipeline_succeeds_email" do
     let(:title) { "Merge request #{merge_request.to_reference} was scheduled to merge after pipeline succeeds by #{current_user.name}" }
 
diff --git a/spec/mailers/notify_spec.rb b/spec/mailers/notify_spec.rb
index 762c57615b84030a91eb412cd4309ddb444a5cf1..17ed3e967a1b7e3f44ac46ec49f06cb299f780e0 100644
--- a/spec/mailers/notify_spec.rb
+++ b/spec/mailers/notify_spec.rb
@@ -464,37 +464,6 @@
         end
       end
 
-      describe 'status changed' do
-        let(:status) { 'reopened' }
-
-        subject { described_class.merge_request_status_email(recipient.id, merge_request.id, status, current_user.id) }
-
-        it_behaves_like 'an answer to an existing thread with reply-by-email enabled' do
-          let(:model) { merge_request }
-        end
-
-        it_behaves_like 'it should show Gmail Actions View Merge request link'
-        it_behaves_like 'an unsubscribeable thread'
-        it_behaves_like 'appearance header and footer enabled'
-        it_behaves_like 'appearance header and footer not enabled'
-
-        it 'is sent as the author' do
-          sender = subject.header[:from].addrs[0]
-          expect(sender.display_name).to eq(current_user.name)
-          expect(sender.address).to eq(gitlab_sender)
-        end
-
-        it 'has the correct subject and body' do
-          aggregate_failures do
-            is_expected.to have_referable_subject(merge_request, reply: true)
-            is_expected.to have_body_text(status)
-            is_expected.to have_body_text(current_user_sanitized)
-            is_expected.to have_body_text(project_merge_request_path(project, merge_request))
-            is_expected.to have_link(merge_request.to_reference, href: project_merge_request_url(merge_request.target_project, merge_request))
-          end
-        end
-      end
-
       describe 'that are unmergeable' do
         let_it_be(:merge_request) do
           create(:merge_request, :conflict,