diff --git a/Gemfile.lock b/Gemfile.lock
index 28b6f70..fc5e0ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,43 +2,47 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
+    base64 (0.1.1)
     json (2.6.3)
+    language_server-protocol (3.17.0.3)
     parallel (1.23.0)
-    parser (3.2.2.3)
+    parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
     prettier_print (1.2.1)
     racc (1.7.1)
     rainbow (3.1.1)
-    regexp_parser (2.8.1)
-    rexml (3.2.5)
-    rubocop (1.52.1)
+    regexp_parser (2.8.2)
+    rexml (3.2.6)
+    rubocop (1.57.1)
+      base64 (~> 0.1.1)
       json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.3)
+      parser (>= 3.2.2.4)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.28.0, < 2.0)
+      rubocop-ast (>= 1.28.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.29.0)
       parser (>= 3.2.1.0)
-    rubocop-capybara (2.18.0)
+    rubocop-capybara (2.19.0)
       rubocop (~> 1.41)
-    rubocop-discourse (3.2.0)
+    rubocop-discourse (3.4.0)
       rubocop (>= 1.1.0)
       rubocop-rspec (>= 2.0.0)
-    rubocop-factory_bot (2.23.1)
+    rubocop-factory_bot (2.24.0)
       rubocop (~> 1.33)
-    rubocop-rspec (2.22.0)
+    rubocop-rspec (2.24.1)
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)
     ruby-progressbar (1.13.0)
-    syntax_tree (6.1.1)
+    syntax_tree (6.2.0)
       prettier_print (>= 1.2.0)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
 
 PLATFORMS
   ruby
diff --git a/app/models/assignment.rb b/app/models/assignment.rb
index 8d0b897..f89a6f8 100644
--- a/app/models/assignment.rb
+++ b/app/models/assignment.rb
@@ -9,11 +9,11 @@ class Assignment < ActiveRecord::Base
   belongs_to :target, polymorphic: true
 
   scope :joins_with_topics,
-        -> {
+        -> do
           joins(
             "INNER JOIN topics ON topics.id = assignments.target_id AND assignments.target_type = 'Topic' AND topics.deleted_at IS NULL",
           )
-        }
+        end
 
   scope :active_for_group, ->(group) { where(assigned_to: group, active: true) }
 
diff --git a/lib/assigner.rb b/lib/assigner.rb
index 7165686..b2c053f 100644
--- a/lib/assigner.rb
+++ b/lib/assigner.rb
@@ -530,7 +530,7 @@ class ::Assigner
         ""
       end
     return "unassigned#{suffix}" if assignment.assigned_to_user?
-    return "unassigned_group#{suffix}" if assignment.assigned_to_group?
+    "unassigned_group#{suffix}" if assignment.assigned_to_group?
   end
 
   def already_assigned?(assign_to, type, note, status)
diff --git a/lib/discourse_assign/group_extension.rb b/lib/discourse_assign/group_extension.rb
index 628c882..923f5a7 100644
--- a/lib/discourse_assign/group_extension.rb
+++ b/lib/discourse_assign/group_extension.rb
@@ -5,7 +5,7 @@ module DiscourseAssign
     def self.prepended(base)
       base.class_eval do
         scope :assignable,
-              ->(user) {
+              ->(user) do
                 where(
                   "assignable_level in (:levels) OR
                   (
@@ -18,7 +18,7 @@ module DiscourseAssign
                   levels: alias_levels(user),
                   user_id: user&.id,
                 )
-              }
+              end
       end
     end
   end
diff --git a/spec/lib/pending_assigns_reminder_spec.rb b/spec/lib/pending_assigns_reminder_spec.rb
index 04c1201..cadebf9 100644
--- a/spec/lib/pending_assigns_reminder_spec.rb
+++ b/spec/lib/pending_assigns_reminder_spec.rb
@@ -4,10 +4,12 @@ require "rails_helper"
 require_relative "../support/assign_allowed_group"
 
 def assert_reminder_not_created
-  expect { subject.remind(user) }.not_to change { Post.count }
+  expect { reminder.remind(user) }.not_to change { Post.count }
 end
 
 RSpec.describe PendingAssignsReminder do
+  subject(:reminder) { described_class.new }
+
   before { SiteSetting.assign_enabled = true }
 
   let(:user) { Fabricate(:user) }
@@ -48,7 +50,7 @@ RSpec.describe PendingAssignsReminder do
 
     it "creates a reminder for a particular user and sets the timestamp of the last reminder" do
       freeze_time
-      subject.remind(user)
+      reminder.remind(user)
 
       post = Post.last
 
@@ -71,8 +73,8 @@ RSpec.describe PendingAssignsReminder do
     end
 
     it "deletes previous reminders when creating a new one" do
-      subject.remind(user)
-      subject.remind(user)
+      reminder.remind(user)
+      reminder.remind(user)
 
       reminders_count =
         Topic
@@ -84,7 +86,7 @@ RSpec.describe PendingAssignsReminder do
     end
 
     it "doesn't delete reminders from a different user" do
-      subject.remind(user)
+      reminder.remind(user)
       another_user = Fabricate(:user)
       add_to_assign_allowed_group(another_user)
       3.times do
@@ -92,7 +94,7 @@ RSpec.describe PendingAssignsReminder do
         Assigner.new(post.topic, user).assign(another_user)
       end
 
-      subject.remind(another_user)
+      reminder.remind(another_user)
 
       reminders_count =
         Topic
@@ -104,9 +106,9 @@ RSpec.describe PendingAssignsReminder do
     end
 
     it "doesn't delete reminders if they have replies" do
-      subject.remind(user)
+      reminder.remind(user)
       Fabricate(:post, topic: Topic.last)
-      subject.remind(user)
+      reminder.remind(user)
 
       reminders_count =
         Topic
@@ -123,7 +125,7 @@ RSpec.describe PendingAssignsReminder do
       @post5 = Fabricate(:post)
       Assigner.new(@post5.topic, user).assign(user)
 
-      subject.remind(user)
+      reminder.remind(user)
 
       post = Post.last
       topic = post.topic
@@ -133,7 +135,7 @@ RSpec.describe PendingAssignsReminder do
       @post5.topic.update_status("closed", true, Discourse.system_user)
       expect(@post5.topic.closed).to eq(true)
 
-      subject.remind(user)
+      reminder.remind(user)
 
       post = Post.last
       topic = post.topic