diff --git a/Gemfile.lock b/Gemfile.lock
index 33d1d43..7c62686 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,25 +6,24 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.3.0)
-    byebug (9.0.6)
-    coderay (1.1.1)
-    curses (1.2.3)
-    method_source (0.8.2)
-    parallel (1.11.2)
-    parser (2.4.0.0)
-      ast (~> 2.2)
+    ast (2.4.0)
+    byebug (10.0.2)
+    coderay (1.1.2)
+    curses (1.2.4)
+    method_source (0.9.0)
+    parallel (1.12.1)
+    parser (2.5.0.5)
+      ast (~> 2.4.0)
     powerpack (0.1.1)
-    pry (0.10.4)
+    pry (0.11.3)
       coderay (~> 1.1.0)
-      method_source (~> 0.8.1)
-      slop (~> 3.4)
-    pry-byebug (3.4.2)
-      byebug (~> 9.0)
+      method_source (~> 0.9.0)
+    pry-byebug (3.6.0)
+      byebug (~> 10.0)
       pry (~> 0.10)
     rainbow (2.2.2)
       rake
-    rake (12.0.0)
+    rake (12.3.1)
     rubocop (0.49.1)
       parallel (~> 1.10)
       parser (>= 2.3.3.1, < 3.0)
@@ -32,8 +31,7 @@ GEM
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.8.1)
-    slop (3.6.0)
+    ruby-progressbar (1.9.0)
     unicode-display_width (1.3.0)
 
 PLATFORMS