diff --git a/.rubocop.yml b/.rubocop.yml
index 72f47ae..f3d5561 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,3 +1,6 @@
+require:
+    - rubocop-rake
+
 AllCops:
     NewCops: enable
     TargetRubyVersion: 2.7
diff --git a/Gemfile b/Gemfile
index 26ea26a..c57d2a7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,3 +8,9 @@ group :ci do
   gem 'code-scanning-rubocop'
   gem 'rspec_junit_formatter'
 end
+
+
+gem 'rake', '~> 13.0'
+gem 'rspec'
+gem 'rubocop', '~> 1.29'
+gem 'rubocop-rake', '~> 0.6'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1877d4e..9344382 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,15 +15,14 @@ GEM
     json (2.7.2)
     language_server-protocol (3.17.0.3)
     parallel (1.25.1)
-    parser (3.3.3.0)
+    parser (3.3.4.0)
       ast (~> 2.4.1)
       racc
-    racc (1.8.0)
+    racc (1.8.1)
     rainbow (3.1.1)
     rake (13.2.1)
     regexp_parser (2.9.2)
-    rexml (3.3.0)
-      strscan
+    rexml (3.3.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -39,13 +38,13 @@ GEM
     rspec-support (3.13.1)
     rspec_junit_formatter (0.6.0)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (1.64.1)
+    rubocop (1.65.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
+      regexp_parser (>= 2.4, < 3.0)
       rexml (>= 3.2.5, < 4.0)
       rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
@@ -54,10 +53,7 @@ GEM
       parser (>= 3.3.1.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (3.0.1)
-      rubocop (~> 1.61)
     ruby-progressbar (1.13.0)
-    strscan (3.1.0)
     unicode-display_width (2.5.0)
 
 PLATFORMS
@@ -71,7 +67,6 @@ DEPENDENCIES
   rspec_junit_formatter
   rubocop (~> 1.29)
   rubocop-rake (~> 0.6)
-  rubocop-rspec
 
 BUNDLED WITH
    2.1.4
diff --git a/bin/git-format-staged b/bin/git-format-staged
index 41d0829..2111bcc 100755
--- a/bin/git-format-staged
+++ b/bin/git-format-staged
@@ -17,7 +17,7 @@ parser = OptionParser.new do |opt|
          <<~DOC
            Shell command to format files, will run once per file. Occurrences of the placeholder `{}` will \
            be replaced with a path to the file being formatted. \
-           (Example: "prettier --stdin-filepath \'{}\'")
+           (Example: "prettier --stdin-filepath '{}'")
          DOC
   ) do |o|
     parameters[:formatter] = o
diff --git a/format-staged.gemspec b/format-staged.gemspec
index d8fd383..ddde6c8 100644
--- a/format-staged.gemspec
+++ b/format-staged.gemspec
@@ -19,12 +19,6 @@ Gem::Specification.new do |s|
 
   s.add_dependency 'colorize'
 
-  s.add_development_dependency 'rake', '~> 13.0'
-  s.add_development_dependency 'rspec'
-  s.add_development_dependency 'rubocop', '~> 1.29'
-  s.add_development_dependency 'rubocop-rake', '~> 0.6'
-  s.add_development_dependency 'rubocop-rspec'
-
   s.metadata = {
     'rubygems_mfa_required' => 'true'
   }
diff --git a/lib/format-staged/job.rb b/lib/format-staged/job.rb
index 18bacc8..176b099 100644
--- a/lib/format-staged/job.rb
+++ b/lib/format-staged/job.rb
@@ -39,7 +39,7 @@ module FormatStaged
       return false unless formatted.size == files.size
 
       quiet = @verbose ? [] : ['--quiet']
-      return !write || get_status('git', 'diff-index', '--cached', '--exit-code', *quiet, 'HEAD') != 0
+      !write || get_status('git', 'diff-index', '--cached', '--exit-code', *quiet, 'HEAD') != 0
     end
 
     def repo_root
diff --git a/spec/test_spec.rb b/spec/test_spec.rb
index ce53719..26fc0ff 100644
--- a/spec/test_spec.rb
+++ b/spec/test_spec.rb
@@ -132,7 +132,7 @@ describe FormatStaged do
     repo.set_content 'test.test', 'a=b'
     repo.stage 'test.test'
 
-    expect(repo.run_formatter write: false).to be_truthy
+    expect(repo.run_formatter(write: false)).to be_truthy
     expect(repo.get_content('test.test')).to eq 'a=b'
     expect(repo.get_staged('test.test')).to eq 'a=b'
   end