diff --git a/.gitignore b/.gitignore
index f6f6b3a..98e6ef6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
-*.lock
 *.db
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..bb64a81
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,61 @@
+GIT
+  remote: https://github.com/0x1eef/io-line.rb.git
+  revision: 04754c6f2ed255bee1fbfdf93e88722b9a784eb5
+  tag: v0.1.0
+  specs:
+    io-line.rb (0.1.0)
+      io-console (~> 0.5)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.2)
+    io-console (0.6.0)
+    json (2.6.3)
+    language_server-protocol (3.17.0.3)
+    mini_portile2 (2.8.1)
+    nokogiri (1.14.1)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    paint (2.3.0)
+    parallel (1.22.1)
+    parser (3.2.0.0)
+      ast (~> 2.4.1)
+    racc (1.6.2)
+    rainbow (3.1.1)
+    regexp_parser (2.6.2)
+    rexml (3.2.5)
+    rubocop (1.42.0)
+      json (~> 2.3)
+      parallel (~> 1.10)
+      parser (>= 3.1.2.1)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.24.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.24.1)
+      parser (>= 3.1.1.0)
+    rubocop-performance (1.15.2)
+      rubocop (>= 1.7.0, < 2.0)
+      rubocop-ast (>= 0.4.0)
+    ruby-progressbar (1.11.0)
+    standard (1.22.1)
+      language_server-protocol (~> 3.17.0.2)
+      rubocop (= 1.42.0)
+      rubocop-performance (= 1.15.2)
+    unicode-display_width (2.4.2)
+
+PLATFORMS
+  amd64-freebsd-14
+
+DEPENDENCIES
+  io-line.rb (~> 0.1)!
+  json (~> 2.6)
+  nokogiri (~> 1.13)
+  paint (~> 2.2)
+  standard (~> 1.12)
+
+BUNDLED WITH
+   2.4.1