diff --git a/lib/slim_lint.rb b/lib/slim_lint.rb
index b93794d..1505d3c 100644
--- a/lib/slim_lint.rb
+++ b/lib/slim_lint.rb
@@ -6,37 +6,37 @@
 # Need to load slim before we can reference some classes or define filters
 require 'slim'
 
-require 'slim_lint/constants'
-require 'slim_lint/exceptions'
-require 'slim_lint/configuration'
-require 'slim_lint/configuration_loader'
-require 'slim_lint/utils'
-require 'slim_lint/atom'
-require 'slim_lint/sexp'
-require 'slim_lint/file_finder'
-require 'slim_lint/linter_registry'
-require 'slim_lint/logger'
-require 'slim_lint/version'
+require_relative 'slim_lint/constants'
+require_relative 'slim_lint/exceptions'
+require_relative 'slim_lint/configuration'
+require_relative 'slim_lint/configuration_loader'
+require_relative 'slim_lint/utils'
+require_relative 'slim_lint/atom'
+require_relative 'slim_lint/sexp'
+require_relative 'slim_lint/file_finder'
+require_relative 'slim_lint/linter_registry'
+require_relative 'slim_lint/logger'
+require_relative 'slim_lint/version'
 
 # Load all filters (required by SlimLint::Engine)
 Dir[File.expand_path('slim_lint/filters/*.rb', File.dirname(__FILE__))].sort.each do |file|
   require file
 end
 
-require 'slim_lint/engine'
-require 'slim_lint/document'
-require 'slim_lint/capture_map'
-require 'slim_lint/sexp_visitor'
-require 'slim_lint/lint'
-require 'slim_lint/ruby_parser'
-require 'slim_lint/linter'
-require 'slim_lint/reporter'
-require 'slim_lint/report'
-require 'slim_lint/linter_selector'
-require 'slim_lint/runner'
+require_relative 'slim_lint/engine'
+require_relative 'slim_lint/document'
+require_relative 'slim_lint/capture_map'
+require_relative 'slim_lint/sexp_visitor'
+require_relative 'slim_lint/lint'
+require_relative 'slim_lint/ruby_parser'
+require_relative 'slim_lint/linter'
+require_relative 'slim_lint/reporter'
+require_relative 'slim_lint/report'
+require_relative 'slim_lint/linter_selector'
+require_relative 'slim_lint/runner'
 
 # Load all matchers
-require 'slim_lint/matcher/base'
+require_relative 'slim_lint/matcher/base'
 Dir[File.expand_path('slim_lint/matcher/*.rb', File.dirname(__FILE__))].sort.each do |file|
   require file
 end
diff --git a/lib/slim_lint/cli.rb b/lib/slim_lint/cli.rb
index e05fc10..bea5dda 100644
--- a/lib/slim_lint/cli.rb
+++ b/lib/slim_lint/cli.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require 'slim_lint'
-require 'slim_lint/options'
+require_relative '../slim_lint'
+require_relative 'options'
 
 module SlimLint
   # Command line application interface.
diff --git a/lib/slim_lint/linter/rubocop.rb b/lib/slim_lint/linter/rubocop.rb
index 9a090e8..12555f6 100644
--- a/lib/slim_lint/linter/rubocop.rb
+++ b/lib/slim_lint/linter/rubocop.rb
@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
-require 'slim_lint/ruby_extractor'
-require 'slim_lint/ruby_extract_engine'
+require_relative 'ruby_extractor'
+require_relative 'ruby_extract_engine'
+
 require 'rubocop'
 
 module SlimLint
diff --git a/lib/slim_lint/rake_task.rb b/lib/slim_lint/rake_task.rb
index 1fbd5a9..8adf574 100644
--- a/lib/slim_lint/rake_task.rb
+++ b/lib/slim_lint/rake_task.rb
@@ -2,7 +2,8 @@
 
 require 'rake'
 require 'rake/tasklib'
-require 'slim_lint/constants'
+
+require_relative 'constants'
 
 module SlimLint
   # Rake task interface for slim-lint command line interface.
@@ -74,8 +75,8 @@ def define
 
       task(name, [:files]) do |_task, task_args|
         # Lazy-load so task doesn't affect Rakefile load time
-        require 'slim_lint'
-        require 'slim_lint/cli'
+        require_relative '../slim_lint'
+        require_relative 'cli'
 
         run_cli(task_args)
       end