diff --git a/Gemfile.lock b/Gemfile.lock
index d02572b..98707a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,16 +1,16 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.0.2)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     ast (2.3.0)
     brakeman (3.6.1)
     code_analyzer (0.4.7)
       sexp_processor
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.6)
     erubis (2.7.0)
     haml (4.0.7)
       tilt
@@ -20,9 +20,10 @@ GEM
       rake (>= 10, < 13)
       rubocop (>= 0.47.0)
       sysexits (~> 1.1)
-    i18n (0.8.1)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
     json (2.0.3)
-    minitest (5.10.1)
+    minitest (5.14.1)
     parser (2.4.0.0)
       ast (~> 2.2)
     powerpack (0.1.1)
@@ -48,7 +49,7 @@ GEM
     sysexits (1.2.0)
     thread_safe (0.3.6)
     tilt (2.0.6)
-    tzinfo (1.2.2)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unicode-display_width (1.1.3)