diff --git a/rubygem-sass-3.4.23-fix-fixnum-bignum-warnings.patch b/rubygem-sass-3.4.23-fix-fixnum-bignum-warnings.patch
new file mode 100644
index 0000000..5d4a0e2
--- /dev/null
+++ b/rubygem-sass-3.4.23-fix-fixnum-bignum-warnings.patch
@@ -0,0 +1,660 @@
+From 0154f6589cd438c0389963416e25340bc55b4358 Mon Sep 17 00:00:00 2001
+From: Richie Thomas <rickthomas1980@gmail.com>
+Date: Tue, 10 Jan 2017 16:40:57 -0500
+Subject: [PATCH] Changes most references of Fixnum class to Integer, to
+ account for deprecation of Fixnum and Bignum classes in Ruby 2.4.0 (#2223)
+
+Closes #2218
+---
+ lib/sass/engine.rb                     |  6 +++---
+ lib/sass/error.rb                      |  6 +++---
+ lib/sass/plugin/staleness_checker.rb   |  4 ++--
+ lib/sass/script.rb                     |  4 ++--
+ lib/sass/script/functions.rb           |  4 ++--
+ lib/sass/script/lexer.rb               | 10 +++++-----
+ lib/sass/script/parser.rb              |  8 ++++----
+ lib/sass/script/tree/node.rb           |  2 +-
+ lib/sass/script/value/base.rb          |  4 ++--
+ lib/sass/script/value/color.rb         | 20 ++++++++++----------
+ lib/sass/script/value/number.rb        |  2 +-
+ lib/sass/scss/parser.rb                |  4 ++--
+ lib/sass/scss/rx.rb                    |  2 +-
+ lib/sass/selector/abstract_sequence.rb | 10 +++++-----
+ lib/sass/selector/sequence.rb          |  4 ++--
+ lib/sass/selector/simple.rb            |  4 ++--
+ lib/sass/shared.rb                     |  2 +-
+ lib/sass/source/map.rb                 |  4 ++--
+ lib/sass/source/position.rb            |  8 ++++----
+ lib/sass/tree/comment_node.rb          |  2 +-
+ lib/sass/tree/node.rb                  |  2 +-
+ lib/sass/tree/prop_node.rb             |  2 +-
+ lib/sass/tree/rule_node.rb             |  2 +-
+ lib/sass/util.rb                       | 16 ++++++++--------
+ lib/sass/version.rb                    |  4 ++--
+
+diff --git a/lib/sass/engine.rb b/lib/sass/engine.rb
+index eb3c462..92a2e9f 100644
+--- a/lib/sass/engine.rb
++++ b/lib/sass/engine.rb
+@@ -94,13 +94,13 @@ class Engine
+     # `text`: `String`
+     # : The text in the line, without any whitespace at the beginning or end.
+     #
+-    # `tabs`: `Fixnum`
++    # `tabs`: `Integer`
+     # : The level of indentation of the line.
+     #
+-    # `index`: `Fixnum`
++    # `index`: `Integer`
+     # : The line number in the original document.
+     #
+-    # `offset`: `Fixnum`
++    # `offset`: `Integer`
+     # : The number of bytes in on the line that the text begins.
+     #   This ends up being the number of bytes of leading whitespace.
+     #
+diff --git a/lib/sass/error.rb b/lib/sass/error.rb
+index 319ff12..f4763a9 100644
+--- a/lib/sass/error.rb
++++ b/lib/sass/error.rb
+@@ -69,14 +69,14 @@ def sass_filename
+     # The name of the mixin in which the error occurred.
+     # This could be `nil` if the error occurred outside a mixin.
+     #
+-    # @return [Fixnum]
++    # @return [String]
+     def sass_mixin
+       sass_backtrace.first[:mixin]
+     end
+ 
+     # The line of the Sass template on which the error occurred.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     def sass_line
+       sass_backtrace.first[:line]
+     end
+@@ -153,7 +153,7 @@ class << self
+       # Returns an error report for an exception in CSS format.
+       #
+       # @param e [Exception]
+-      # @param line_offset [Fixnum] The number of the first line of the Sass template.
++      # @param line_offset [Integer] The number of the first line of the Sass template.
+       # @return [String] The error report
+       # @raise [Exception] `e`, if the
+       #   {file:SASS_REFERENCE.md#full_exception-option `:full_exception`} option
+diff --git a/lib/sass/plugin/staleness_checker.rb b/lib/sass/plugin/staleness_checker.rb
+index 23a9bf2..8ff1fd2 100644
+--- a/lib/sass/plugin/staleness_checker.rb
++++ b/lib/sass/plugin/staleness_checker.rb
+@@ -72,7 +72,7 @@ def stylesheet_needs_update?(css_file, template_file, importer = nil)
+       # Returns whether a Sass or SCSS stylesheet has been modified since a given time.
+       #
+       # @param template_file [String] The location of the Sass or SCSS template.
+-      # @param mtime [Fixnum] The modification time to check against.
++      # @param mtime [Time] The modification time to check against.
+       # @param importer [Sass::Importers::Base] The importer used to locate the stylesheet.
+       #   Defaults to the filesystem importer.
+       # @return [Boolean] Whether the stylesheet has been modified.
+@@ -103,7 +103,7 @@ def self.stylesheet_needs_update?(css_file, template_file, importer = nil)
+       # so it's better to use when checking multiple stylesheets at once.
+       #
+       # @param template_file [String] The location of the Sass or SCSS template.
+-      # @param mtime [Fixnum] The modification time to check against.
++      # @param mtime [Time] The modification time to check against.
+       # @param importer [Sass::Importers::Base] The importer used to locate the stylesheet.
+       #   Defaults to the filesystem importer.
+       # @return [Boolean] Whether the stylesheet has been modified.
+diff --git a/lib/sass/script.rb b/lib/sass/script.rb
+index 5ca639d..315094e 100644
+--- a/lib/sass/script.rb
++++ b/lib/sass/script.rb
+@@ -16,9 +16,9 @@ module Script
+     # Parses a string of SassScript
+     #
+     # @param value [String] The SassScript
+-    # @param line [Fixnum] The number of the line on which the SassScript appeared.
++    # @param line [Integer] The number of the line on which the SassScript appeared.
+     #   Used for error reporting
+-    # @param offset [Fixnum] The number of characters in on `line` that the SassScript started.
++    # @param offset [Integer] The number of characters in on `line` that the SassScript started.
+     #   Used for error reporting
+     # @param options [{Symbol => Object}] An options hash;
+     #   see {file:SASS_REFERENCE.md#sass_options the Sass options documentation}
+diff --git a/lib/sass/script/functions.rb b/lib/sass/script/functions.rb
+index e964e1a..b20b553 100644
+--- a/lib/sass/script/functions.rb
++++ b/lib/sass/script/functions.rb
+@@ -431,8 +431,8 @@ def self.declare(method_name, args, options = {})
+     # If no signatures match, the first signature is returned for error messaging.
+     #
+     # @param method_name [Symbol] The name of the Ruby function to be called.
+-    # @param arg_arity [Fixnum] The number of unnamed arguments the function was passed.
+-    # @param kwarg_arity [Fixnum] The number of keyword arguments the function was passed.
++    # @param arg_arity [Integer] The number of unnamed arguments the function was passed.
++    # @param kwarg_arity [Integer] The number of keyword arguments the function was passed.
+     #
+     # @return [{Symbol => Object}, nil]
+     #   The signature options for the matching signature,
+diff --git a/lib/sass/script/lexer.rb b/lib/sass/script/lexer.rb
+index 2d7fceb..8ba3870 100644
+--- a/lib/sass/script/lexer.rb
++++ b/lib/sass/script/lexer.rb
+@@ -19,13 +19,13 @@ class Lexer
+       # `source_range`: \[`Sass::Source::Range`\]
+       # : The range in the source file in which the token appeared.
+       #
+-      # `pos`: \[`Fixnum`\]
++      # `pos`: \[`Integer`\]
+       # : The scanner position at which the SassScript token appeared.
+       Token = Struct.new(:type, :value, :source_range, :pos)
+ 
+       # The line number of the lexer's current position.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       def line
+         return @line unless @tok
+         @tok.source_range.start_pos.line
+@@ -34,7 +34,7 @@ def line
+       # The number of bytes into the current line
+       # of the lexer's current position (1-based).
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       def offset
+         return @offset unless @tok
+         @tok.source_range.start_pos.offset
+@@ -142,9 +142,9 @@ def string_re(open, close)
+       }
+ 
+       # @param str [String, StringScanner] The source text to lex
+-      # @param line [Fixnum] The 1-based line on which the SassScript appears.
++      # @param line [Integer] The 1-based line on which the SassScript appears.
+       #   Used for error reporting and sourcemap building
+-      # @param offset [Fixnum] The 1-based character (not byte) offset in the line in the source.
++      # @param offset [Integer] The 1-based character (not byte) offset in the line in the source.
+       #   Used for error reporting and sourcemap building
+       # @param options [{Symbol => Object}] An options hash;
+       #   see {file:SASS_REFERENCE.md#sass_options the Sass options documentation}
+diff --git a/lib/sass/script/parser.rb b/lib/sass/script/parser.rb
+index 224083f..2d79900 100644
+--- a/lib/sass/script/parser.rb
++++ b/lib/sass/script/parser.rb
+@@ -8,22 +8,22 @@ module Script
+     class Parser
+       # The line number of the parser's current position.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       def line
+         @lexer.line
+       end
+ 
+       # The column number of the parser's current position.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       def offset
+         @lexer.offset
+       end
+ 
+       # @param str [String, StringScanner] The source text to parse
+-      # @param line [Fixnum] The line on which the SassScript appears.
++      # @param line [Integer] The line on which the SassScript appears.
+       #   Used for error reporting and sourcemap building
+-      # @param offset [Fixnum] The character (not byte) offset where the script starts in the line.
++      # @param offset [Integer] The character (not byte) offset where the script starts in the line.
+       #   Used for error reporting and sourcemap building
+       # @param options [{Symbol => Object}] An options hash; see
+       #   {file:SASS_REFERENCE.md#sass_options the Sass options documentation}.
+diff --git a/lib/sass/script/tree/node.rb b/lib/sass/script/tree/node.rb
+index 2bc4e42..1e31bec 100644
+--- a/lib/sass/script/tree/node.rb
++++ b/lib/sass/script/tree/node.rb
+@@ -10,7 +10,7 @@ class Node
+ 
+     # The line of the document on which this node appeared.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     attr_accessor :line
+ 
+     # The source range in the document on which this node appeared.
+diff --git a/lib/sass/script/value/base.rb b/lib/sass/script/value/base.rb
+index 51094e1..67a12e1 100644
+--- a/lib/sass/script/value/base.rb
++++ b/lib/sass/script/value/base.rb
+@@ -149,7 +149,7 @@ def unary_div
+     # Returns the hash code of this value. Two objects' hash codes should be
+     # equal if the objects are equal.
+     #
+-    # @return [Fixnum] The hash code.
++    # @return [Integer for Ruby 2.4.0+, Fixnum for earlier Ruby versions] The hash code.
+     def hash
+       value.hash
+     end
+@@ -176,7 +176,7 @@ def ==(other)
+       eq(other).to_bool
+     end
+ 
+-    # @return [Fixnum] The integer value of this value
++    # @return [Integer] The integer value of this value
+     # @raise [Sass::SyntaxError] if this value isn't an integer
+     def to_i
+       raise Sass::SyntaxError.new("#{inspect} is not an integer.")
+diff --git a/lib/sass/script/value/color.rb b/lib/sass/script/value/color.rb
+index 5f12ca3..dabda4c 100644
+--- a/lib/sass/script/value/color.rb
++++ b/lib/sass/script/value/color.rb
+@@ -17,8 +17,8 @@ class Color < Base
+     # @private
+     #
+     # Convert a ruby integer to a rgba components
+-    # @param color [Fixnum]
+-    # @return [Array<Fixnum>] Array of 4 numbers representing r,g,b and alpha
++    # @param color [Integer]
++    # @return [Array<Integer>] Array of 4 numbers representing r,g,b and alpha
+     def self.int_to_rgba(color)
+       rgba = (0..3).map {|n| color >> (n << 3) & 0xff}.reverse
+       rgba[-1] = rgba[-1] / 255.0
+@@ -293,7 +293,7 @@ def self.from_hex(hex_string, alpha = nil)
+ 
+     # The red component of the color.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     def red
+       hsl_to_rgb!
+       @attrs[:red]
+@@ -301,7 +301,7 @@ def red
+ 
+     # The green component of the color.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     def green
+       hsl_to_rgb!
+       @attrs[:green]
+@@ -309,7 +309,7 @@ def green
+ 
+     # The blue component of the color.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     def blue
+       hsl_to_rgb!
+       @attrs[:blue]
+@@ -342,7 +342,7 @@ def lightness
+     # The alpha channel (opacity) of the color.
+     # This is 1 unless otherwise defined.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     def alpha
+       @attrs[:alpha].to_f
+     end
+@@ -357,7 +357,7 @@ def alpha?
+ 
+     # Returns the red, green, and blue components of the color.
+     #
+-    # @return [Array<Fixnum>] A frozen three-element array of the red, green, and blue
++    # @return [Array<Integer>] A frozen three-element array of the red, green, and blue
+     #   values (respectively) of the color
+     def rgb
+       [red, green, blue].freeze
+@@ -365,7 +365,7 @@ def rgb
+ 
+     # Returns the red, green, blue, and alpha components of the color.
+     #
+-    # @return [Array<Fixnum>] A frozen four-element array of the red, green,
++    # @return [Array<Integer>] A frozen four-element array of the red, green,
+     #   blue, and alpha values (respectively) of the color
+     def rgba
+       [red, green, blue, alpha].freeze
+@@ -373,7 +373,7 @@ def rgba
+ 
+     # Returns the hue, saturation, and lightness components of the color.
+     #
+-    # @return [Array<Fixnum>] A frozen three-element array of the
++    # @return [Array<Integer>] A frozen three-element array of the
+     #   hue, saturation, and lightness values (respectively) of the color
+     def hsl
+       [hue, saturation, lightness].freeze
+@@ -381,7 +381,7 @@ def hsl
+ 
+     # Returns the hue, saturation, lightness, and alpha components of the color.
+     #
+-    # @return [Array<Fixnum>] A frozen four-element array of the hue,
++    # @return [Array<Integer>] A frozen four-element array of the hue,
+     #   saturation, lightness, and alpha values (respectively) of the color
+     def hsla
+       [hue, saturation, lightness, alpha].freeze
+diff --git a/lib/sass/script/value/number.rb b/lib/sass/script/value/number.rb
+index 1209a34..44502b4 100644
+--- a/lib/sass/script/value/number.rb
++++ b/lib/sass/script/value/number.rb
+@@ -306,7 +306,7 @@ def inspect(opts = {})
+     end
+     alias_method :to_sass, :inspect
+ 
+-    # @return [Fixnum] The integer value of the number
++    # @return [Integer] The integer value of the number
+     # @raise [Sass::SyntaxError] if the number isn't an integer
+     def to_i
+       super unless int?
+diff --git a/lib/sass/scss/parser.rb b/lib/sass/scss/parser.rb
+index a5dbf1a..b686946 100644
+--- a/lib/sass/scss/parser.rb
++++ b/lib/sass/scss/parser.rb
+@@ -16,9 +16,9 @@ class Parser
+       #   warnings and source maps.
+       # @param importer [Sass::Importers::Base] The importer used to import the
+       #   file being parsed. Used for source maps.
+-      # @param line [Fixnum] The 1-based line on which the source string appeared,
++      # @param line [Integer] The 1-based line on which the source string appeared,
+       #   if it's part of another document.
+-      # @param offset [Fixnum] The 1-based character (not byte) offset in the line on
++      # @param offset [Integer] The 1-based character (not byte) offset in the line on
+       #   which the source string starts. Used for error reporting and sourcemap
+       #   building.
+       def initialize(str, filename, importer, line = 1, offset = 1)
+diff --git a/lib/sass/scss/rx.rb b/lib/sass/scss/rx.rb
+index f1a952f..dd9eede 100644
+--- a/lib/sass/scss/rx.rb
++++ b/lib/sass/scss/rx.rb
+@@ -40,7 +40,7 @@ def self.escape_char(c)
+       # escaping all significant characters.
+       #
+       # @param str [String] The text of the regexp
+-      # @param flags [Fixnum] Flags for the created regular expression
++      # @param flags [Integer] Flags for the created regular expression
+       # @return [Regexp]
+       # @private
+       def self.quote(str, flags = 0)
+diff --git a/lib/sass/selector/abstract_sequence.rb b/lib/sass/selector/abstract_sequence.rb
+index ef78909..a18a79f 100644
+--- a/lib/sass/selector/abstract_sequence.rb
++++ b/lib/sass/selector/abstract_sequence.rb
+@@ -8,7 +8,7 @@ module Selector
+     class AbstractSequence
+       # The line of the Sass template on which this selector was declared.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       attr_reader :line
+ 
+       # The name of the file in which this selector was declared.
+@@ -19,8 +19,8 @@ class AbstractSequence
+       # Sets the line of the Sass template on which this selector was declared.
+       # This also sets the line for all child selectors.
+       #
+-      # @param line [Fixnum]
+-      # @return [Fixnum]
++      # @param line [Integer]
++      # @return [Integer]
+       def line=(line)
+         members.each {|m| m.line = line}
+         @line = line
+@@ -42,7 +42,7 @@ def filename=(filename)
+       # Subclasses should define `#_hash` rather than overriding this method,
+       # which automatically handles memoizing the result.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       def hash
+         @_hash ||= _hash
+       end
+@@ -83,7 +83,7 @@ def to_s(opts = {})
+       # The base is given by {Sass::Selector::SPECIFICITY_BASE}. This can be a
+       # number or a range representing possible specificities.
+       #
+-      # @return [Fixnum, Range]
++      # @return [Integer, Range]
+       def specificity
+         _specificity(members)
+       end
+diff --git a/lib/sass/selector/sequence.rb b/lib/sass/selector/sequence.rb
+index 0abd930..3b51ea1 100644
+--- a/lib/sass/selector/sequence.rb
++++ b/lib/sass/selector/sequence.rb
+@@ -6,8 +6,8 @@ class Sequence < AbstractSequence
+       # Sets the line of the Sass template on which this selector was declared.
+       # This also sets the line for all child selectors.
+       #
+-      # @param line [Fixnum]
+-      # @return [Fixnum]
++      # @param line [Integer]
++      # @return [Integer]
+       def line=(line)
+         members.each {|m| m.line = line if m.is_a?(SimpleSequence)}
+         @line = line
+diff --git a/lib/sass/selector/simple.rb b/lib/sass/selector/simple.rb
+index df286f3..7d267d4 100644
+--- a/lib/sass/selector/simple.rb
++++ b/lib/sass/selector/simple.rb
+@@ -5,7 +5,7 @@ module Selector
+     class Simple
+       # The line of the Sass template on which this selector was declared.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       attr_accessor :line
+ 
+       # The name of the file in which this selector was declared,
+@@ -36,7 +36,7 @@ def to_s(opts = {})
+       # so if that contains information irrelevant to the identity of the selector,
+       # this should be overridden.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       def hash
+         @_hash ||= equality_key.hash
+       end
+diff --git a/lib/sass/shared.rb b/lib/sass/shared.rb
+index 9e9189c..1f50995 100644
+--- a/lib/sass/shared.rb
++++ b/lib/sass/shared.rb
+@@ -31,7 +31,7 @@ def handle_interpolation(str)
+     #   A `Fixnum` in 1.8, a `String` in 1.9
+     # @param finish [Character] The character closing the balanced pair.
+     #   A `Fixnum` in 1.8, a `String` in 1.9
+-    # @param count [Fixnum] The number of opening characters matched
++    # @param count [Integer] The number of opening characters matched
+     #   before calling this method
+     # @return [(String, String)] The string matched within the balanced pair
+     #   and the rest of the string.
+diff --git a/lib/sass/source/map.rb b/lib/sass/source/map.rb
+index 14c6ad8..dc4c5dc 100644
+--- a/lib/sass/source/map.rb
++++ b/lib/sass/source/map.rb
+@@ -37,7 +37,7 @@ def add(input, output)
+ 
+     # Shifts all output source ranges forward one or more lines.
+     #
+-    # @param delta [Fixnum] The number of lines to shift the ranges forward.
++    # @param delta [Integer] The number of lines to shift the ranges forward.
+     def shift_output_lines(delta)
+       return if delta == 0
+       @data.each do |m|
+@@ -49,7 +49,7 @@ def shift_output_lines(delta)
+     # Shifts any output source ranges that lie on the first line forward one or
+     # more characters on that line.
+     #
+-    # @param delta [Fixnum] The number of characters to shift the ranges
++    # @param delta [Integer] The number of characters to shift the ranges
+     #   forward.
+     def shift_output_offsets(delta)
+       return if delta == 0
+diff --git a/lib/sass/source/position.rb b/lib/sass/source/position.rb
+index df39bd3..a62af45 100644
+--- a/lib/sass/source/position.rb
++++ b/lib/sass/source/position.rb
+@@ -2,17 +2,17 @@ module Sass::Source
+   class Position
+     # The one-based line of the document associated with the position.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     attr_accessor :line
+ 
+     # The one-based offset in the line of the document associated with the
+     # position.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     attr_accessor :offset
+ 
+-    # @param line [Fixnum] The source line
+-    # @param offset [Fixnum] The source offset
++    # @param line [Integer] The source line
++    # @param offset [Integer] The source offset
+     def initialize(line, offset)
+       @line = line
+       @offset = offset
+diff --git a/lib/sass/tree/comment_node.rb b/lib/sass/tree/comment_node.rb
+index 8b7cdf0..1b73a15 100644
+--- a/lib/sass/tree/comment_node.rb
++++ b/lib/sass/tree/comment_node.rb
+@@ -59,7 +59,7 @@ def invisible?
+ 
+     # Returns the number of lines in the comment.
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     def lines
+       @value.inject(0) do |s, e|
+         next s + e.count("\n") if e.is_a?(String)
+diff --git a/lib/sass/tree/node.rb b/lib/sass/tree/node.rb
+index 3d8c444..8703bc4 100644
+--- a/lib/sass/tree/node.rb
++++ b/lib/sass/tree/node.rb
+@@ -69,7 +69,7 @@ def invalid_parent_method_name
+ 
+       # The line of the document on which this node appeared.
+       #
+-      # @return [Fixnum]
++      # @return [Integer]
+       attr_accessor :line
+ 
+       # The source range in the document on which this node appeared.
+diff --git a/lib/sass/tree/prop_node.rb b/lib/sass/tree/prop_node.rb
+index bef8c59..d26c824 100644
+--- a/lib/sass/tree/prop_node.rb
++++ b/lib/sass/tree/prop_node.rb
+@@ -39,7 +39,7 @@ class PropNode < Node
+     # * This is a child property of another property
+     # * The parent property has a value, and thus will be rendered
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     attr_accessor :tabs
+ 
+     # The source range in which the property name appears.
+diff --git a/lib/sass/tree/rule_node.rb b/lib/sass/tree/rule_node.rb
+index 46bd8ac..dabf772 100644
+--- a/lib/sass/tree/rule_node.rb
++++ b/lib/sass/tree/rule_node.rb
+@@ -40,7 +40,7 @@ class RuleNode < Node
+     # * This is a child rule of another rule
+     # * The parent rule has properties, and thus will be rendered
+     #
+-    # @return [Fixnum]
++    # @return [Integer]
+     attr_accessor :tabs
+ 
+     # The entire selector source range for this rule.
+diff --git a/lib/sass/util.rb b/lib/sass/util.rb
+index 0a80fc7..e67500f 100644
+--- a/lib/sass/util.rb
++++ b/lib/sass/util.rb
+@@ -418,7 +418,7 @@ def subsequence?(seq1, seq2)
+     # Returns information about the caller of the previous method.
+     #
+     # @param entry [String] An entry in the `#caller` list, or a similarly formatted string
+-    # @return [[String, Fixnum, (String, nil)]]
++    # @return [[String, Integer, (String, nil)]]
+     #   An array containing the filename, line, and method name of the caller.
+     #   The method name may be nil
+     def caller_info(entry = nil)
+@@ -636,7 +636,7 @@ def jruby?
+ 
+     # Returns an array of ints representing the JRuby version number.
+     #
+-    # @return [Array<Fixnum>]
++    # @return [Array<Integer>]
+     def jruby_version
+       @jruby_version ||= ::JRUBY_VERSION.split(".").map {|s| s.to_i}
+     end
+@@ -941,7 +941,7 @@ def enum_with_index(enum)
+     # A version of `Enumerable#enum_cons` that works in Ruby 1.8 and 1.9.
+     #
+     # @param enum [Enumerable] The enumerable to get the enumerator for
+-    # @param n [Fixnum] The size of each cons
++    # @param n [Integer] The size of each cons
+     # @return [Enumerator] The consed enumerator
+     def enum_cons(enum, n)
+       ruby1_8? ? enum.enum_cons(n) : enum.each_cons(n)
+@@ -950,7 +950,7 @@ def enum_cons(enum, n)
+     # A version of `Enumerable#enum_slice` that works in Ruby 1.8 and 1.9.
+     #
+     # @param enum [Enumerable] The enumerable to get the enumerator for
+-    # @param n [Fixnum] The size of each slice
++    # @param n [Integer] The size of each slice
+     # @return [Enumerator] The consed enumerator
+     def enum_slice(enum, n)
+       ruby1_8? ? enum.enum_slice(n) : enum.each_slice(n)
+@@ -977,7 +977,7 @@ def extract!(array)
+     # Returns the ASCII code of the given character.
+     #
+     # @param c [String] All characters but the first are ignored.
+-    # @return [Fixnum] The ASCII code of `c`.
++    # @return [Integer] The ASCII code of `c`.
+     def ord(c)
+       ruby1_8? ? c[0] : c.ord
+     end
+@@ -1102,11 +1102,11 @@ def json_escape_string(s)
+ 
+     # Converts the argument into a valid JSON value.
+     #
+-    # @param v [Fixnum, String, Array, Boolean, nil]
++    # @param v [Integer, String, Array, Boolean, nil]
+     # @return [String]
+     def json_value_of(v)
+       case v
+-      when Fixnum
++      when Integer
+         v.to_s
+       when String
+         "\"" + json_escape_string(v) + "\""
+@@ -1139,7 +1139,7 @@ def json_value_of(v)
+ 
+     # Encodes `value` as VLQ (http://en.wikipedia.org/wiki/VLQ).
+     #
+-    # @param value [Fixnum]
++    # @param value [Integer]
+     # @return [String] The encoded value
+     def encode_vlq(value)
+       if value < 0
+diff --git a/lib/sass/version.rb b/lib/sass/version.rb
+index 89c8a06..3aa0064 100644
+--- a/lib/sass/version.rb
++++ b/lib/sass/version.rb
+@@ -8,7 +8,7 @@ module Sass
+   # if it was installed from Git.
+   module Version
+     # Returns a hash representing the version of Sass.
+-    # The `:major`, `:minor`, and `:teeny` keys have their respective numbers as Fixnums.
++    # The `:major`, `:minor`, and `:teeny` keys have their respective numbers as Integers.
+     # The `:name` key has the name of the version.
+     # The `:string` key contains a human-readable string representation of the version.
+     # The `:number` key is the major, minor, and teeny keys separated by periods.
+@@ -41,7 +41,7 @@ module Version
+     #       :prerelease_number => 1
+     #     }
+     #
+-    # @return [{Symbol => String/Fixnum}] The version hash
++    # @return [{Symbol => String/Integer}] The version hash
+     # @comment
+     #   rubocop:disable ClassVars
+     def version
diff --git a/rubygem-sass.spec b/rubygem-sass.spec
index c3ac8fc..f8eea29 100644
--- a/rubygem-sass.spec
+++ b/rubygem-sass.spec
@@ -3,12 +3,15 @@
 
 Name: rubygem-%{gem_name}
 Version: 3.4.23
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: A powerful but elegant CSS compiler that makes CSS fun again
 Group: Development/Languages
 License: MIT
 URL: http://sass-lang.com/
 Source0: https://rubygems.org/gems/%{gem_name}-%{version}.gem
+# Fix Fixnum/Bignum deprecated warning for Ruby 2.4.0.
+# https://github.com/sass/sass/commit/0154f65
+Patch0: rubygem-sass-3.4.23-fix-fixnum-bignum-warnings.patch
 BuildRequires: ruby(release)
 BuildRequires: rubygems-devel
 BuildRequires: rubygem(minitest)
@@ -40,6 +43,8 @@ gem unpack %{SOURCE0}
 
 gem spec %{SOURCE0} -l --ruby > %{gem_name}.gemspec
 
+%patch0 -p1
+
 %build
 
 gem build %{gem_name}.gemspec
@@ -97,6 +102,9 @@ popd
 %{gem_instdir}/test
 
 %changelog
+* Tue Feb 14 2017 Jun Aruga <jaruga@redhat.com> - 3.4.23-3
+- Fix Fixnum/Bignum deprecated warning for Ruby 2.4.0.
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.4.23-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild