diff --git a/Gemfile.lock b/Gemfile.lock
index 8953c06..745688e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,8 +15,8 @@ GEM
     json (2.1.0)
     method_source (0.9.0)
     parallel (1.12.1)
-    parser (2.4.0.2)
-      ast (~> 2.3)
+    parser (2.5.0.4)
+      ast (~> 2.4.0)
     powerpack (0.1.1)
     pry (0.11.3)
       coderay (~> 1.1.0)
@@ -36,9 +36,9 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.7.0)
     rspec-support (3.7.1)
-    rubocop (0.52.1)
+    rubocop (0.54.0)
       parallel (~> 1.10)
-      parser (>= 2.4.0.2, < 3.0)
+      parser (>= 2.5)
       powerpack (~> 0.1)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)