diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 732f26d..a08030f 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -104,12 +104,11 @@ Style/NumericPredicate:
     - 'lib/zip/ioextras.rb'
     - 'lib/zip/ioextras/abstract_input_stream.rb'
 
-# Offense count: 6
+# Offense count: 1
 # Configuration parameters: AllowedMethods.
 # AllowedMethods: respond_to_missing?
 Style/OptionalBooleanParameter:
   Exclude:
-    - 'lib/zip/file.rb'
     - 'lib/zip/file_split.rb'
 
 # Offense count: 17
diff --git a/README.md b/README.md
index 5af5454..4b66ec2 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ input_filenames = ['image.jpg', 'description.txt', 'stats.csv']
 
 zipfile_name = "/Users/me/Desktop/archive.zip"
 
-Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
+Zip::File.open(zipfile_name, create: true) do |zipfile|
   input_filenames.each do |filename|
     # Two arguments:
     # - The name of the file as it will appear in the archive
@@ -89,7 +89,7 @@ class ZipFileGenerator
   def write
     entries = Dir.entries(@input_dir) - %w[. ..]
 
-    ::Zip::File.open(@output_file, ::Zip::File::CREATE) do |zipfile|
+    ::Zip::File.open(@output_file, create: true) do |zipfile|
       write_entries entries, '', zipfile
     end
   end
@@ -318,7 +318,7 @@ Where X is an integer between 0 and 9, inclusive. If this option is set to 0 (`Z
 This can also be set for each archive as an option to `Zip::File`:
 
 ```ruby
-Zip::File.open('foo.zip', Zip::File::CREATE, {compression_level: 9}) do |zip|
+Zip::File.open('foo.zip', create:true, compression_level: 9) do |zip|
   zip.add ...
 end
 ```
diff --git a/lib/zip/file.rb b/lib/zip/file.rb
index 256cf65..5623b4e 100644
--- a/lib/zip/file.rb
+++ b/lib/zip/file.rb
@@ -25,7 +25,7 @@ module Zip
   #
   #   require 'zip'
   #
-  #   Zip::File.open("my.zip", Zip::File::CREATE) {
+  #   Zip::File.open("my.zip", create: true) {
   #    |zipfile|
   #     zipfile.get_output_stream("first.txt") { |f| f.puts "Hello from ZipFile" }
   #     zipfile.mkdir("a_dir")
@@ -37,7 +37,7 @@ module Zip
   #
   #   require 'zip'
   #
-  #   Zip::File.open("my.zip", Zip::File::CREATE) {
+  #   Zip::File.open("my.zip", create: true) {
   #     |zipfile|
   #     puts zipfile.read("first.txt")
   #     zipfile.remove("first.txt")
@@ -49,8 +49,7 @@ module Zip
   class File < CentralDirectory
     extend FileSplit
 
-    CREATE               = true
-    IO_METHODS           = [:tell, :seek, :read, :eof, :close].freeze
+    IO_METHODS = [:tell, :seek, :read, :eof, :close].freeze
 
     attr_reader :name
 
@@ -66,9 +65,9 @@ module Zip
     # Returns the zip files comment, if it has one
     attr_accessor :comment
 
-    # Opens a zip archive. Pass true as the second parameter to create
+    # Opens a zip archive. Pass create: true to create
     # a new archive if it doesn't exist already.
-    def initialize(path_or_io, create = false, buffer = false, options = {})
+    def initialize(path_or_io, create: false, buffer: false, **options)
       super()
       options  = DEFAULT_RESTORE_OPTIONS
                  .merge(compression_level: ::Zip.default_compression)
@@ -115,8 +114,8 @@ module Zip
       # Similar to ::new. If a block is passed the Zip::File object is passed
       # to the block and is automatically closed afterwards, just as with
       # ruby's builtin File::open method.
-      def open(file_name, create = false, options = {})
-        zf = ::Zip::File.new(file_name, create, false, options)
+      def open(file_name, create: false, **options)
+        zf = ::Zip::File.new(file_name, create: create, **options)
         return zf unless block_given?
 
         begin
@@ -129,7 +128,7 @@ module Zip
       # Same as #open. But outputs data to a buffer instead of a file
       def add_buffer
         io = ::StringIO.new
-        zf = ::Zip::File.new(io, true, true)
+        zf = ::Zip::File.new(io, create: true, buffer: true)
         yield zf
         zf.write_buffer(io)
       end
@@ -138,7 +137,7 @@ module Zip
       # stream, and outputs data to a buffer.
       # (This can be used to extract data from a
       # downloaded zip archive without first saving it to disk.)
-      def open_buffer(io, options = {})
+      def open_buffer(io, **options)
         unless IO_METHODS.map { |method| io.respond_to?(method) }.all? || io.kind_of?(String)
           raise 'Zip::File.open_buffer expects a String or IO-like argument' \
                 "(responds to #{IO_METHODS.join(', ')}). Found: #{io.class}"
@@ -149,7 +148,7 @@ module Zip
         # https://github.com/rubyzip/rubyzip/issues/119
         io.binmode if io.respond_to?(:binmode)
 
-        zf = ::Zip::File.new(io, true, true, options)
+        zf = ::Zip::File.new(io, create: true, buffer: true, **options)
         return zf unless block_given?
 
         yield zf
diff --git a/lib/zip/filesystem.rb b/lib/zip/filesystem.rb
index 26895df..e223b3c 100644
--- a/lib/zip/filesystem.rb
+++ b/lib/zip/filesystem.rb
@@ -21,7 +21,7 @@ module Zip
   #
   #   require 'zip/filesystem'
   #
-  #   Zip::File.open("my.zip", Zip::File::CREATE) {
+  #   Zip::File.open("my.zip", create: true) {
   #     |zipfile|
   #     zipfile.file.open("first.txt", "w") { |f| f.puts "Hello world" }
   #     zipfile.dir.mkdir("mydir")
diff --git a/samples/example_filesystem.rb b/samples/example_filesystem.rb
index d37eaee..6909848 100755
--- a/samples/example_filesystem.rb
+++ b/samples/example_filesystem.rb
@@ -9,7 +9,7 @@ EXAMPLE_ZIP = 'filesystem.zip'
 
 File.delete(EXAMPLE_ZIP) if File.exist?(EXAMPLE_ZIP)
 
-Zip::File.open(EXAMPLE_ZIP, Zip::File::CREATE) do |zf|
+Zip::File.open(EXAMPLE_ZIP, create: true) do |zf|
   zf.file.open('file1.txt', 'w') { |os| os.write 'first file1.txt' }
   zf.dir.mkdir('dir1')
   zf.dir.chdir('dir1')
diff --git a/samples/example_recursive.rb b/samples/example_recursive.rb
index 175e69f..04b6f33 100644
--- a/samples/example_recursive.rb
+++ b/samples/example_recursive.rb
@@ -23,7 +23,7 @@ class ZipFileGenerator
   def write
     entries = Dir.entries(@input_dir) - %w[. ..]
 
-    ::Zip::File.open(@output_file, ::Zip::File::CREATE) do |zipfile|
+    ::Zip::File.open(@output_file, create: true) do |zipfile|
       write_entries entries, '', zipfile
     end
   end
diff --git a/test/case_sensitivity_test.rb b/test/case_sensitivity_test.rb
index af4443d..81ad207 100644
--- a/test/case_sensitivity_test.rb
+++ b/test/case_sensitivity_test.rb
@@ -19,7 +19,7 @@ class ZipCaseSensitivityTest < MiniTest::Test
     ::Zip.case_insensitive_match = false
 
     SRC_FILES.each { |fn, _en| assert(::File.exist?(fn)) }
-    zf = ::Zip::File.new(EMPTY_FILENAME, ::Zip::File::CREATE)
+    zf = ::Zip::File.new(EMPTY_FILENAME, create: true)
 
     SRC_FILES.each { |fn, en| zf.add(en, fn) }
     zf.close
@@ -38,7 +38,7 @@ class ZipCaseSensitivityTest < MiniTest::Test
     ::Zip.case_insensitive_match = true
 
     SRC_FILES.each { |fn, _en| assert(::File.exist?(fn)) }
-    zf = ::Zip::File.new(EMPTY_FILENAME, ::Zip::File::CREATE)
+    zf = ::Zip::File.new(EMPTY_FILENAME, create: true)
 
     assert_raises Zip::EntryExistsError do
       SRC_FILES.each { |fn, en| zf.add(en, fn) }
@@ -50,7 +50,7 @@ class ZipCaseSensitivityTest < MiniTest::Test
     ::Zip.case_insensitive_match = false
 
     SRC_FILES.each { |fn, _en| assert(::File.exist?(fn)) }
-    zf = ::Zip::File.new(EMPTY_FILENAME, ::Zip::File::CREATE)
+    zf = ::Zip::File.new(EMPTY_FILENAME, create: true)
 
     SRC_FILES.each { |fn, en| zf.add(en, fn) }
     zf.close
diff --git a/test/entry_test.rb b/test/entry_test.rb
index 17273c5..13d4296 100644
--- a/test/entry_test.rb
+++ b/test/entry_test.rb
@@ -167,7 +167,7 @@ class ZipEntryTest < MiniTest::Test
         z.write_zip64_support = false
       end
 
-      zipfile = Zip::File.open(tmp_zip, Zip::File::CREATE)
+      zipfile = Zip::File.open(tmp_zip, create: true)
 
       mimetype_entry = Zip::Entry.new(
         zipfile,                # @zipfile
diff --git a/test/file_extract_test.rb b/test/file_extract_test.rb
index 9d0b7da..e5243ca 100644
--- a/test/file_extract_test.rb
+++ b/test/file_extract_test.rb
@@ -99,7 +99,7 @@ class ZipFileExtractTest < MiniTest::Test
       true_size = 500_000
       fake_size = 1
 
-      ::Zip::File.open(real_zip, ::Zip::File::CREATE) do |zf|
+      ::Zip::File.open(real_zip, create: true) do |zf|
         zf.get_output_stream(file_name) do |os|
           os.write 'a' * true_size
         end
diff --git a/test/file_options_test.rb b/test/file_options_test.rb
index da9a402..c1a568a 100644
--- a/test/file_options_test.rb
+++ b/test/file_options_test.rb
@@ -30,13 +30,13 @@ class FileOptionsTest < MiniTest::Test
     ::FileUtils.cp(TXTPATH, TXTPATH_755)
     ::File.chmod(0o755, TXTPATH_755)
 
-    ::Zip::File.open(ZIPPATH, true) do |zip|
+    ::Zip::File.open(ZIPPATH, create: true) do |zip|
       zip.add(ENTRY_1, TXTPATH)
       zip.add(ENTRY_2, TXTPATH_600)
       zip.add(ENTRY_3, TXTPATH_755)
     end
 
-    ::Zip::File.open(ZIPPATH, false, restore_permissions: true) do |zip|
+    ::Zip::File.open(ZIPPATH, restore_permissions: true) do |zip|
       zip.extract(ENTRY_1, EXTPATH_1)
       zip.extract(ENTRY_2, EXTPATH_2)
       zip.extract(ENTRY_3, EXTPATH_3)
@@ -54,13 +54,13 @@ class FileOptionsTest < MiniTest::Test
     ::FileUtils.cp(TXTPATH, TXTPATH_755)
     ::File.chmod(0o755, TXTPATH_755)
 
-    ::Zip::File.open(ZIPPATH, true) do |zip|
+    ::Zip::File.open(ZIPPATH, create: true) do |zip|
       zip.add(ENTRY_1, TXTPATH)
       zip.add(ENTRY_2, TXTPATH_600)
       zip.add(ENTRY_3, TXTPATH_755)
     end
 
-    ::Zip::File.open(ZIPPATH, false, restore_permissions: false) do |zip|
+    ::Zip::File.open(ZIPPATH, restore_permissions: false) do |zip|
       zip.extract(ENTRY_1, EXTPATH_1)
       zip.extract(ENTRY_2, EXTPATH_2)
       zip.extract(ENTRY_3, EXTPATH_3)
@@ -79,7 +79,7 @@ class FileOptionsTest < MiniTest::Test
     ::FileUtils.cp(TXTPATH, TXTPATH_755)
     ::File.chmod(0o755, TXTPATH_755)
 
-    ::Zip::File.open(ZIPPATH, true) do |zip|
+    ::Zip::File.open(ZIPPATH, create: true) do |zip|
       zip.add(ENTRY_1, TXTPATH)
       zip.add(ENTRY_2, TXTPATH_600)
       zip.add(ENTRY_3, TXTPATH_755)
@@ -97,12 +97,12 @@ class FileOptionsTest < MiniTest::Test
   end
 
   def test_restore_times_true
-    ::Zip::File.open(ZIPPATH, true) do |zip|
+    ::Zip::File.open(ZIPPATH, create: true) do |zip|
       zip.add(ENTRY_1, TXTPATH)
       zip.add_stored(ENTRY_2, TXTPATH)
     end
 
-    ::Zip::File.open(ZIPPATH, false, restore_times: true) do |zip|
+    ::Zip::File.open(ZIPPATH, restore_times: true) do |zip|
       zip.extract(ENTRY_1, EXTPATH_1)
       zip.extract(ENTRY_2, EXTPATH_2)
     end
@@ -112,12 +112,12 @@ class FileOptionsTest < MiniTest::Test
   end
 
   def test_restore_times_false
-    ::Zip::File.open(ZIPPATH, true) do |zip|
+    ::Zip::File.open(ZIPPATH, create: true) do |zip|
       zip.add(ENTRY_1, TXTPATH)
       zip.add_stored(ENTRY_2, TXTPATH)
     end
 
-    ::Zip::File.open(ZIPPATH, false, restore_times: false) do |zip|
+    ::Zip::File.open(ZIPPATH, restore_times: false) do |zip|
       zip.extract(ENTRY_1, EXTPATH_1)
       zip.extract(ENTRY_2, EXTPATH_2)
     end
@@ -127,7 +127,7 @@ class FileOptionsTest < MiniTest::Test
   end
 
   def test_restore_times_true_as_default
-    ::Zip::File.open(ZIPPATH, true) do |zip|
+    ::Zip::File.open(ZIPPATH, create: true) do |zip|
       zip.add(ENTRY_1, TXTPATH)
       zip.add_stored(ENTRY_2, TXTPATH)
     end
diff --git a/test/file_permissions_test.rb b/test/file_permissions_test.rb
index 1b31a79..e9dabf3 100644
--- a/test/file_permissions_test.rb
+++ b/test/file_permissions_test.rb
@@ -48,7 +48,7 @@ class FilePermissionsTest < MiniTest::Test
   end
 
   def create_files
-    ::Zip::File.open(ZIPNAME, ::Zip::File::CREATE) do |zip|
+    ::Zip::File.open(ZIPNAME, create: true) do |zip|
       zip.comment = 'test'
     end
 
diff --git a/test/file_test.rb b/test/file_test.rb
index 25b31b2..9ac2f69 100644
--- a/test/file_test.rb
+++ b/test/file_test.rb
@@ -32,21 +32,7 @@ class ZipFileTest < MiniTest::Test
   def test_create_from_scratch
     comment = 'a short comment'
 
-    zf = ::Zip::File.new(EMPTY_FILENAME, ::Zip::File::CREATE)
-    zf.get_output_stream('myFile') { |os| os.write 'myFile contains just this' }
-    zf.mkdir('dir1')
-    zf.comment = comment
-    zf.close
-
-    zf_read = ::Zip::File.new(EMPTY_FILENAME)
-    assert_equal(comment, zf_read.comment)
-    assert_equal(2, zf_read.entries.length)
-  end
-
-  def test_create_from_scratch_with_old_create_parameter
-    comment = 'a short comment'
-
-    zf = ::Zip::File.new(EMPTY_FILENAME, 1)
+    zf = ::Zip::File.new(EMPTY_FILENAME, create: true)
     zf.get_output_stream('myFile') { |os| os.write 'myFile contains just this' }
     zf.mkdir('dir1')
     zf.comment = comment
@@ -184,7 +170,7 @@ class ZipFileTest < MiniTest::Test
   end
 
   def test_cleans_up_tempfiles_after_close
-    zf = ::Zip::File.new(EMPTY_FILENAME, ::Zip::File::CREATE)
+    zf = ::Zip::File.new(EMPTY_FILENAME, create: true)
     zf.get_output_stream('myFile') do |os|
       @tempfile_path = os.path
       os.write 'myFile contains just this'
@@ -208,9 +194,7 @@ class ZipFileTest < MiniTest::Test
     sizes = []
 
     files.each do |name, comp|
-      zf = ::Zip::File.new(
-        name, ::Zip::File::CREATE, false, { compression_level: comp }
-      )
+      zf = ::Zip::File.new(name, create: true, compression_level: comp)
 
       zf.add(entry_name, src_file)
       zf.close
@@ -243,7 +227,7 @@ class ZipFileTest < MiniTest::Test
 
     files.each do |name, comp|
       ::Zip.default_compression = comp
-      zf = ::Zip::File.new(name, ::Zip::File::CREATE)
+      zf = ::Zip::File.new(name, create: true)
 
       zf.add(entry_name, src_file)
       zf.close
@@ -268,7 +252,7 @@ class ZipFileTest < MiniTest::Test
     src_file = 'test/data/file2.txt'
     entry_name = 'newEntryName.rb'
     assert(::File.exist?(src_file))
-    zf = ::Zip::File.new(EMPTY_FILENAME, ::Zip::File::CREATE)
+    zf = ::Zip::File.new(EMPTY_FILENAME, create: true)
     zf.add_stored(entry_name, src_file)
     zf.close
 
@@ -294,7 +278,7 @@ class ZipFileTest < MiniTest::Test
     ::File.chmod(0o664, src_zip)
     assert_equal(0o100664, ::File.stat(src_zip).mode)
 
-    zf = ::Zip::File.new(src_zip, ::Zip::File::CREATE)
+    zf = ::Zip::File.new(src_zip, create: true)
     zf.add('newEntryName.rb', 'test/data/file2.txt')
     zf.close
 
@@ -385,7 +369,7 @@ class ZipFileTest < MiniTest::Test
     ::File.unlink(zf_name) if ::File.exist?(zf_name)
     arr = []
     arr_renamed = []
-    ::Zip::File.open(zf_name, ::Zip::File::CREATE) do |zf|
+    ::Zip::File.open(zf_name, create: true) do |zf|
       zf.mkdir('test')
       arr << 'test/'
       arr_renamed << 'Ztest/'
@@ -398,7 +382,7 @@ class ZipFileTest < MiniTest::Test
     zf = ::Zip::File.open(zf_name)
     assert_equal(zf.entries.map(&:name), arr)
     zf.close
-    Zip::File.open(zf_name, 'wb') do |z|
+    Zip::File.open(zf_name) do |z|
       z.each do |f|
         z.rename(f, "Z#{f.name}")
       end
@@ -522,7 +506,7 @@ class ZipFileTest < MiniTest::Test
   def test_double_commit(filename = 'test/data/generated/double_commit_test.zip')
     ::FileUtils.touch('test/data/generated/test_double_commit1.txt')
     ::FileUtils.touch('test/data/generated/test_double_commit2.txt')
-    zf = ::Zip::File.open(filename, ::Zip::File::CREATE)
+    zf = ::Zip::File.open(filename, create: true)
     zf.add('test1.txt', 'test/data/generated/test_double_commit1.txt')
     zf.commit
     zf.add('test2.txt', 'test/data/generated/test_double_commit2.txt')
@@ -695,7 +679,7 @@ class ZipFileTest < MiniTest::Test
   def test_streaming
     fname = ::File.join(__dir__, '..', 'README.md')
     zname = 'test/data/generated/README.zip'
-    Zip::File.open(zname, Zip::File::CREATE) do |zipfile|
+    Zip::File.open(zname, create: true) do |zipfile|
       zipfile.get_output_stream(File.basename(fname)) do |f|
         f.puts File.read(fname)
       end
diff --git a/test/unicode_file_names_and_comments_test.rb b/test/unicode_file_names_and_comments_test.rb
index ceac94f..bc84332 100644
--- a/test/unicode_file_names_and_comments_test.rb
+++ b/test/unicode_file_names_and_comments_test.rb
@@ -53,7 +53,7 @@ class ZipUnicodeFileNamesAndComments < MiniTest::Test
 
   def test_unicode_comment
     str = '渠道升级'
-    ::Zip::File.open(FILENAME, Zip::File::CREATE) do |z|
+    ::Zip::File.open(FILENAME, create: true) do |z|
       z.comment = str
     end
 
diff --git a/test/zip64_full_test.rb b/test/zip64_full_test.rb
index 5d174e3..0837f73 100644
--- a/test/zip64_full_test.rb
+++ b/test/zip64_full_test.rb
@@ -21,7 +21,7 @@ class Zip64FullTest < MiniTest::Test
     last_text = 'this tests files starting after 4GB in the archive'
     comment_text = 'this is a file comment in a zip64 archive'
 
-    ::Zip::File.open(HUGE_ZIP, ::Zip::File::CREATE) do |zf|
+    ::Zip::File.open(HUGE_ZIP, create: true) do |zf|
       zf.comment = comment_text
 
       zf.get_output_stream('first_file.txt') do |io|