diff --git a/Gemfile.lock b/Gemfile.lock
index f5f994e..d439838 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,15 +69,15 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.4)
     docile (1.3.2)
     erubi (1.8.0)
     execjs (2.7.0)
     ffi (1.11.1)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
-    i18n (1.6.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
@@ -99,7 +99,7 @@ GEM
     method_source (0.9.2)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.15.0)
     minitest-reporters (1.4.2)
       ansi
       builder
@@ -195,7 +195,7 @@ GEM
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)