diff --git a/Gemfile.lock b/Gemfile.lock
index 3a225c1..8e0cd43 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,17 +1,17 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.3)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     byebug (11.0.1)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
     diff-lcs (1.3)
-    i18n (1.6.0)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
-    minitest (5.11.3)
+    minitest (5.14.1)
     puma (3.12.1)
     rack (2.0.7)
     rspec (3.1.0)
@@ -27,7 +27,7 @@ GEM
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
 
 PLATFORMS