diff --git a/Gemfile.lock b/Gemfile.lock
index a589e8a..50af0d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,25 +12,25 @@ GEM
       thor (>= 0.18, < 2)
     docile (1.3.4)
     minitest (5.14.3)
-    parallel (1.19.2)
-    parser (2.7.2.0)
+    parallel (1.20.1)
+    parser (3.0.0.0)
       ast (~> 2.4.1)
     rainbow (3.0.0)
     rake (13.0.3)
-    regexp_parser (1.8.2)
+    regexp_parser (2.0.3)
     rexml (3.2.4)
-    rubocop (0.93.1)
+    rubocop (1.7.0)
       parallel (~> 1.10)
       parser (>= 2.7.1.5)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8)
+      regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 0.6.0)
+      rubocop-ast (>= 1.2.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.7.1)
+    rubocop-ast (1.4.0)
       parser (>= 2.7.1.5)
-    ruby-progressbar (1.10.1)
+    ruby-progressbar (1.11.0)
     simplecov (0.21.1)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -48,7 +48,7 @@ DEPENDENCIES
   bundler-audit (~> 0.6)
   minitest (~> 5.11)
   rake (~> 13.0)
-  rubocop (~> 0.72)
+  rubocop (~> 1.7)
   simplecov (~> 0.15)
   tiny_struct!
 
diff --git a/tiny_struct.gemspec b/tiny_struct.gemspec
index 6631836..5138597 100644
--- a/tiny_struct.gemspec
+++ b/tiny_struct.gemspec
@@ -25,6 +25,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'bundler-audit', '~> 0.6'
   spec.add_development_dependency 'minitest', '~> 5.11'
   spec.add_development_dependency 'rake', '~> 13.0'
-  spec.add_development_dependency 'rubocop', '~> 0.72'
+  spec.add_development_dependency 'rubocop', '~> 1.7'
   spec.add_development_dependency 'simplecov', '~> 0.15'
 end