diff --git a/Gemfile.lock b/Gemfile.lock
index 8173116..2e8874f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.0)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -10,7 +10,7 @@ GEM
       public_suffix (>= 2.0.2, < 4.0)
     ast (2.4.0)
     coderay (1.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.6)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
@@ -39,7 +39,7 @@ GEM
       guard (~> 2.0)
       rubocop (~> 0.20)
     hashdiff (0.3.7)
-    i18n (1.0.0)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     json (2.1.0)
     listen (3.1.5)
@@ -48,7 +48,7 @@ GEM
       ruby_dep (~> 1.2)
     lumberjack (1.0.13)
     method_source (0.9.0)
-    minitest (5.11.3)
+    minitest (5.14.1)
     nenv (0.3.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
@@ -96,7 +96,7 @@ GEM
     simplecov-html (0.10.2)
     thor (0.20.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
     webmock (3.3.0)