diff --git a/spec/factories/comments.rb b/spec/factories/comments.rb
index f25e8cf..b836099 100644
--- a/spec/factories/comments.rb
+++ b/spec/factories/comments.rb
@@ -1,14 +1,14 @@
 FactoryBot.define do
   factory :comment do
-    content 'content' * 10
-    name 'commentor'
-    email 'tester@xx.com'
+    content { 'content' * 10 }
+    name { 'commentor' }
+    email { 'tester@xx.com' }
     association :post
   end
 
   factory :comment_no_post, class: Comment do
-    content 'content' * 10
-    name 'commentor'
-    email 'tester@xx.com'
+    content { 'content' * 10 }
+    name { 'commentor' }
+    email { 'tester@xx.com' }
   end
 end
diff --git a/spec/factories/labels.rb b/spec/factories/labels.rb
index 4c4d849..59b9579 100644
--- a/spec/factories/labels.rb
+++ b/spec/factories/labels.rb
@@ -1,5 +1,5 @@
 FactoryBot.define do
   factory :label do
-    name 'label'
+    name { 'label' }
   end
 end
diff --git a/spec/factories/posts.rb b/spec/factories/posts.rb
index 6227d92..f3b0384 100644
--- a/spec/factories/posts.rb
+++ b/spec/factories/posts.rb
@@ -1,12 +1,12 @@
 FactoryBot.define do
   factory :post do
-    title 'this is a post title'
-    content 'content' * 10
+    title { 'this is a post title' }
+    content { 'content' * 10 }
   end
 
   factory :post_list, class: Post do
     sequence(:title) { |n| "#{n}: post title" }
-    content 'content' * 10
+    content { 'content' * 10 }
     sequence(:created_at) { |n| n.days.ago }
   end
 end
diff --git a/spec/factories/subscribes.rb b/spec/factories/subscribes.rb
index 177a89b..fe24afe 100644
--- a/spec/factories/subscribes.rb
+++ b/spec/factories/subscribes.rb
@@ -2,7 +2,7 @@
 
 FactoryBot.define do
   factory :subscribe do
-    email "tester@mail.com"
-    enable false
+    email { "tester@mail.com" }
+    enable { false }
   end
 end