diff --git a/Gemfile.lock b/Gemfile.lock
index 9638aea..af9830c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    kamifusen (1.11.0)
+    kamifusen (1.11.1)
       image_processing
       rails
 
diff --git a/lib/kamifusen.rb b/lib/kamifusen.rb
index 17b618d..3477d50 100644
--- a/lib/kamifusen.rb
+++ b/lib/kamifusen.rb
@@ -11,7 +11,7 @@ def self.config
     yield self
   end
 
-  def self.process(variant, active_storage_direct_url)
+  def self.process(variant, active_storage_direct_url = false)
     Processor.new(variant, active_storage_direct_url).url
   end
 
diff --git a/lib/kamifusen/processor.rb b/lib/kamifusen/processor.rb
index 93e8d8b..7827a20 100644
--- a/lib/kamifusen/processor.rb
+++ b/lib/kamifusen/processor.rb
@@ -2,7 +2,7 @@ module Kamifusen
   class Processor
     attr_reader :variant, :active_storage_direct_url
 
-    def initialize(variant, active_storage_direct_url)
+    def initialize(variant, active_storage_direct_url = false)
       @variant = variant
       @active_storage_direct_url = active_storage_direct_url
     end
diff --git a/lib/kamifusen/version.rb b/lib/kamifusen/version.rb
index bd0bb6d..e4a52d7 100644
--- a/lib/kamifusen/version.rb
+++ b/lib/kamifusen/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Kamifusen
-  VERSION = "1.11.0"
+  VERSION = "1.11.1"
 end