diff --git a/Gemfile.lock b/Gemfile.lock
index 9fd51ea..07bcc95 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,7 +183,6 @@ GEM
       rails (>= 5.0)
     jbuilder (2.11.2)
       activesupport (>= 5.0.0)
-    json (2.5.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -276,7 +275,6 @@ GEM
       railties (>= 5.0)
     ruby-vips (2.1.0)
       ffi (~> 1.12)
-    ruby2_keywords (0.0.4)
     ruby_dep (1.5.0)
     ruby_parser (3.15.1)
       sexp_processor (~> 4.9)
@@ -322,7 +320,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)