diff --git a/.gitignore b/.gitignore
index 2e9beac..0fbe6f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,4 @@
 /doc/
 /pkg/
 /spec/reports/
-/tmp/
-
-Gemfile.lock
\ No newline at end of file
+/tmp/
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 04d7a00..3a6e259 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ group :development, :test do
   gem 'pry-byebug', '~> 3.9'
   gem 'rake', '~> 13.0', '>= 13.0.6'
   gem 'rubocop', '~> 1.7'
-  gem 'rubocop-minitest', '~> 0.33.0'
+  gem 'rubocop-minitest', '~> 0.34.3'
   gem 'rubocop-performance', '~> 1.12'
   gem 'rubocop-rake', '~> 0.6.0'
   gem 'simplecov', '~> 0.22.0'
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..79c388b
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,102 @@
+PATH
+  remote: .
+  specs:
+    datacite-client (0.1.0)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (7.0.6)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
+    ast (2.4.2)
+    byebug (11.1.3)
+    coderay (1.1.3)
+    concurrent-ruby (1.2.2)
+    crack (0.4.5)
+      rexml
+    docile (1.4.0)
+    hashdiff (1.0.1)
+    i18n (1.14.1)
+      concurrent-ruby (~> 1.0)
+    json (2.6.3)
+    language_server-protocol (3.17.0.3)
+    method_source (1.0.0)
+    minitest (5.19.0)
+    parallel (1.23.0)
+    parser (3.2.2.3)
+      ast (~> 2.4.1)
+      racc
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-byebug (3.10.1)
+      byebug (~> 11.0)
+      pry (>= 0.13, < 0.15)
+    public_suffix (5.0.3)
+    racc (1.7.1)
+    rainbow (3.1.1)
+    rake (13.0.6)
+    regexp_parser (2.8.1)
+    rexml (3.2.6)
+    rubocop (1.55.1)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.2.2.3)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.28.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.30.0)
+      parser (>= 3.2.1.0)
+    rubocop-minitest (0.34.4)
+      rubocop (>= 1.39, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
+    rubocop-performance (1.18.0)
+      rubocop (>= 1.7.0, < 2.0)
+      rubocop-ast (>= 0.4.0)
+    rubocop-rake (0.6.0)
+      rubocop (~> 1.0)
+    ruby-progressbar (1.13.0)
+    simplecov (0.22.0)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.4.2)
+    vcr (5.0.0)
+    webmock (3.18.1)
+      addressable (>= 2.8.0)
+      crack (>= 0.3.2)
+      hashdiff (>= 0.4.0, < 2.0.0)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  activesupport (~> 7.0, >= 6.1.4.1)
+  datacite-client!
+  minitest (~> 5.0)
+  pry (~> 0.14.1)
+  pry-byebug (~> 3.9)
+  rake (~> 13.0, >= 13.0.6)
+  rubocop (~> 1.7)
+  rubocop-minitest (~> 0.34.3)
+  rubocop-performance (~> 1.12)
+  rubocop-rake (~> 0.6.0)
+  simplecov (~> 0.22.0)
+  vcr (= 5.0)
+  webmock (~> 3.14)
+
+BUNDLED WITH
+   2.4.9