diff --git a/Gemfile.lock b/Gemfile.lock
index d72e6e6..fe10f9b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,10 +10,9 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    Ascii85 (1.1.1)
+    Ascii85 (1.1.0)
     afm (0.2.2)
     ast (2.4.2)
-    bigdecimal (3.1.8)
     chunky_png (1.4.0)
     concurrent-ruby (1.3.4)
     diff-lcs (1.5.0)
@@ -21,25 +20,20 @@ GEM
     hashery (2.1.2)
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
-    json (2.7.2)
-    language_server-protocol (3.17.0.3)
     matrix (0.4.2)
-    parallel (1.26.3)
-    parser (3.3.5.0)
+    parallel (1.21.0)
+    parser (3.1.0.0)
       ast (~> 2.4.1)
-      racc
-    pdf-core (0.10.0)
-    pdf-reader (2.12.0)
+    pdf-core (0.9.0)
+    pdf-reader (2.9.1)
       Ascii85 (~> 1.0)
       afm (~> 0.2.1)
       hashery (~> 2.0)
       ruby-rc4
       ttfunk
-    prawn (2.5.0)
-      matrix (~> 0.4)
-      pdf-core (~> 0.10.0)
-      ttfunk (~> 1.8)
-    racc (1.8.1)
+    prawn (2.4.0)
+      pdf-core (~> 0.9.0)
+      ttfunk (~> 1.7)
     rainbow (3.1.1)
     regexp_parser (2.2.0)
     rexml (3.2.5)
@@ -47,61 +41,50 @@ GEM
       chunky_png (~> 1.0)
       rqrcode_core (~> 1.0)
     rqrcode_core (1.2.0)
-    rspec (3.13.0)
-      rspec-core (~> 3.13.0)
-      rspec-expectations (~> 3.13.0)
-      rspec-mocks (~> 3.13.0)
-    rspec-core (3.13.1)
-      rspec-support (~> 3.13.0)
-    rspec-expectations (3.13.3)
+    rspec (3.11.0)
+      rspec-core (~> 3.11.0)
+      rspec-expectations (~> 3.11.0)
+      rspec-mocks (~> 3.11.0)
+    rspec-core (3.11.0)
+      rspec-support (~> 3.11.0)
+    rspec-expectations (3.11.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.13.0)
-    rspec-mocks (3.13.1)
+      rspec-support (~> 3.11.0)
+    rspec-mocks (3.11.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.13.0)
-    rspec-support (3.13.1)
-    rubocop (1.66.1)
-      json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
+      rspec-support (~> 3.11.0)
+    rspec-support (3.11.0)
+    rubocop (1.25.1)
       parallel (~> 1.10)
-      parser (>= 3.3.0.2)
+      parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 2.4, < 3.0)
-      rubocop-ast (>= 1.32.2, < 2.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml
+      rubocop-ast (>= 1.15.1, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.3)
-      parser (>= 3.3.1.0)
-    rubocop-capybara (2.21.0)
-      rubocop (~> 1.41)
-    rubocop-factory_bot (2.26.1)
-      rubocop (~> 1.61)
-    rubocop-performance (1.21.1)
-      rubocop (>= 1.48.1, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      unicode-display_width (>= 1.4.0, < 3.0)
+    rubocop-ast (1.15.1)
+      parser (>= 3.0.1.1)
+    rubocop-performance (1.13.2)
+      rubocop (>= 1.7.0, < 2.0)
+      rubocop-ast (>= 0.4.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.31.0)
-      rubocop (~> 1.40)
-      rubocop-capybara (~> 2.17)
-      rubocop-factory_bot (~> 2.22)
-      rubocop-rspec_rails (~> 2.28)
-    rubocop-rspec_rails (2.29.1)
-      rubocop (~> 1.61)
-    ruby-progressbar (1.13.0)
+    rubocop-rspec (2.8.0)
+      rubocop (~> 1.19)
+    ruby-progressbar (1.11.0)
     ruby-rc4 (0.1.5)
-    simplecov (0.22.0)
+    simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-cobertura (2.1.0)
       rexml
       simplecov (~> 0.19)
-    simplecov-html (0.13.1)
-    simplecov_json_formatter (0.1.4)
-    ttfunk (1.8.0)
-      bigdecimal (~> 3.1)
-    unicode-display_width (2.5.0)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.3)
+    ttfunk (1.7.0)
+    unicode-display_width (2.1.0)
 
 PLATFORMS
   x86_64-linux
@@ -118,4 +101,4 @@ DEPENDENCIES
   simplecov-cobertura (~> 2.0)
 
 BUNDLED WITH
-   2.4.19
+   2.3.7