diff --git a/Gemfile b/Gemfile
index ad6abe09c..3bb965787 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,13 +3,6 @@
 source 'https://rubygems.org'
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
-gem 'csv', '~> 3.0'
-gem 'facets', require: false
 
 # Specify your gem's dependencies in kiba-extend.gemspec
 gemspec
-
-group :development do
-  gem 'rubocop', require: false
-  gem 'rubocop-rspec', require: false
-end
diff --git a/Gemfile.lock b/Gemfile.lock
index 553936527..28bac253e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,11 +1,12 @@
 PATH
   remote: .
   specs:
-    kiba-extend (1.15.3)
-      activesupport
-      kiba (>= 4.0.0)
-      kiba-common (>= 1.5.0)
-      xxhash
+    kiba-extend (1.15.4)
+      activesupport (~> 6.1.4)
+      csv (~> 3.0)
+      kiba (~> 4.0.0)
+      kiba-common (~> 1.5.0)
+      xxhash (~> 0.4)
 
 GEM
   remote: https://rubygems.org/
@@ -19,9 +20,8 @@ GEM
     ast (2.4.2)
     coderay (1.1.2)
     concurrent-ruby (1.1.9)
-    csv (3.1.9)
+    csv (3.2.0)
     diff-lcs (1.3)
-    facets (3.1.0)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
     kiba (4.0.0)
@@ -52,13 +52,13 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-support (3.9.3)
-    rubocop (1.18.3)
+    rubocop (1.18.4)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 1.7.0, < 2.0)
+      rubocop-ast (>= 1.8.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.8.0)
@@ -78,14 +78,12 @@ PLATFORMS
 
 DEPENDENCIES
   bundler (>= 1.17)
-  csv (~> 3.0)
-  facets
   kiba-extend!
   pry (~> 0.12.2)
   rake (~> 13.0)
   rspec (~> 3.0)
-  rubocop
-  rubocop-rspec
+  rubocop (~> 1.18.4)
+  rubocop-rspec (~> 2.4.0)
 
 BUNDLED WITH
    2.1.4
diff --git a/kiba-extend.gemspec b/kiba-extend.gemspec
index 5e82a1410..d9e6bbc38 100644
--- a/kiba-extend.gemspec
+++ b/kiba-extend.gemspec
@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
-lib = File.expand_path('lib', __dir__)
-$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'kiba/extend/version'
+require_relative 'lib/kiba/extend/version'
 
 Gem::Specification.new do |spec|
   spec.name          = 'kiba-extend'
@@ -37,13 +35,16 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'activesupport'
-  spec.add_dependency 'kiba', '>= 4.0.0'
-  spec.add_dependency 'kiba-common', '>= 1.5.0'
-  spec.add_dependency 'xxhash'
+  spec.add_dependency 'activesupport', '~> 6.1.4'
+  spec.add_dependency 'csv', '~> 3.0'
+  spec.add_dependency 'kiba', '~> 4.0.0'
+  spec.add_dependency 'kiba-common', '~> 1.5.0'
+  spec.add_dependency 'xxhash', '~> 0.4'
 
   spec.add_development_dependency 'bundler', '>= 1.17'
   spec.add_development_dependency 'pry', '~> 0.12.2'
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
+  spec.add_development_dependency 'rubocop', '~> 1.18.4'
+  spec.add_development_dependency 'rubocop-rspec', '~> 2.4.0'
 end
diff --git a/lib/kiba/extend.rb b/lib/kiba/extend.rb
index 007cd62ea..9aff1674c 100644
--- a/lib/kiba/extend.rb
+++ b/lib/kiba/extend.rb
@@ -1,12 +1,15 @@
 # frozen_string_literal: true
 
+require "active_support"
+require "active_support/core_ext/object"
 require 'kiba'
 require 'kiba-common/sources/csv'
 require 'kiba-common/destinations/csv'
 require 'pry'
-require 'active_support/all'
 require 'xxhash'
-require 'facets/kernel/blank'
+
+require 'kiba/extend/version'
+
 
 # Default CSV options
 CSVOPT = { headers: true, header_converters: :symbol }.freeze
@@ -22,30 +25,12 @@
 module Kiba
   # Provides a suite of abstract, reusable, well-tested data transformations for use in Kiba ETL pipelines
   module Extend
-    autoload :VERSION, 'extend/version'
-
     puts "kiba-extend version: #{Kiba::Extend::VERSION}"
 
-    require 'kiba/extend/fieldset'
-    require 'kiba/extend/destinations/csv'
-    require 'kiba/extend/transforms/helpers'
-    require 'kiba/extend/transforms/append'
-    require 'kiba/extend/transforms/clean'
-    require 'kiba/extend/transforms/combine_values'
-    require 'kiba/extend/transforms/copy'
-    require 'kiba/extend/transforms/deduplicate'
-    require 'kiba/extend/transforms/cspace'
-    require 'kiba/extend/transforms/delete'
-    require 'kiba/extend/transforms/explode'
-    require 'kiba/extend/transforms/filter_rows'
-    require 'kiba/extend/transforms/merge'
-    require 'kiba/extend/transforms/ms_access'
-    require 'kiba/extend/transforms/prepend'
-    require 'kiba/extend/transforms/rename'
-    require 'kiba/extend/transforms/replace'
-    require 'kiba/extend/transforms/reshape'
-    require 'kiba/extend/transforms/split'
-    require 'kiba/extend/utils/lookup'
+    # Require application files
+    Dir.glob("#{__dir__}/**/*").sort.select{ |path| path.match?(/\.rb$/) }.each do |rbfile|
+      require rbfile.delete_prefix("#{File.expand_path(__dir__)}/lib/")
+    end
 
     # strips, collapses multiple spaces, removes terminal commas, strips again
     CSV::Converters[:stripplus] = lambda { |s|
diff --git a/lib/kiba/extend/transforms/clean.rb b/lib/kiba/extend/transforms/clean.rb
index 481fa6d36..23835959e 100644
--- a/lib/kiba/extend/transforms/clean.rb
+++ b/lib/kiba/extend/transforms/clean.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'kiba/extend/transforms/helpers'
+
 module Kiba
   module Extend
     module Transforms
diff --git a/lib/kiba/extend/version.rb b/lib/kiba/extend/version.rb
index e8b58c5f3..09c271094 100644
--- a/lib/kiba/extend/version.rb
+++ b/lib/kiba/extend/version.rb
@@ -2,6 +2,6 @@
 
 module Kiba
   module Extend
-    VERSION = '1.15.3'
+    VERSION = '1.15.4'
   end
 end