diff --git a/Gemfile.lock b/Gemfile.lock
index 8b40a08..519e821 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,10 +10,10 @@ GEM
   specs:
     ast (2.4.2)
     docile (1.4.0)
-    json (2.6.2)
+    json (2.6.3)
     mini_magick (4.11.0)
     parallel (1.22.1)
-    parser (3.1.2.1)
+    parser (3.2.1.0)
       ast (~> 2.4.1)
     pdf-core (0.9.0)
     power_assert (2.0.1)
@@ -22,21 +22,21 @@ GEM
       ttfunk (~> 1.7)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.5.0)
+    regexp_parser (2.7.0)
     rexml (3.2.5)
-    rubocop (1.36.0)
+    rubocop (1.48.0)
       json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.1.2.1)
+      parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.20.1, < 2.0)
+      rubocop-ast (>= 1.26.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.21.0)
-      parser (>= 3.1.1.0)
-    ruby-progressbar (1.11.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.27.0)
+      parser (>= 3.2.1.0)
+    ruby-progressbar (1.13.0)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -47,7 +47,7 @@ GEM
     test-unit (3.5.3)
       power_assert
     ttfunk (1.7.0)
-    unicode-display_width (2.2.0)
+    unicode-display_width (2.4.2)
 
 PLATFORMS
   ruby