diff --git a/Gemfile.lock b/Gemfile.lock
index dfe111ba..26e6b07f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -388,7 +388,7 @@ GEM
       activerecord (>= 5.2)
       request_store (~> 1.1)
     parallel (1.22.1)
-    parser (3.1.2.0)
+    parser (3.1.2.1)
       ast (~> 2.4.1)
     pdf-core (0.9.0)
     pdf-inspector (1.3.0)
@@ -500,18 +500,19 @@ GEM
       rspec-mocks (~> 3.10)
       rspec-support (~> 3.10)
     rspec-support (3.11.0)
-    rubocop (1.30.1)
+    rubocop (1.36.0)
+      json (~> 2.3)
       parallel (~> 1.10)
-      parser (>= 3.1.0.0)
+      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 (>= 1.18.0, < 2.0)
+      rubocop-ast (>= 1.20.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.18.0)
+    rubocop-ast (1.21.0)
       parser (>= 3.1.1.0)
-    rubocop-rails (2.15.0)
+    rubocop-rails (2.15.2)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.7.0, < 2.0)