diff --git a/Gemfile.lock b/Gemfile.lock
index 1b2281f..f383a2c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,13 +47,13 @@ GEM
       msgpack (~> 1.0)
     builder (3.2.3)
     byebug (11.0.1)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.5)
     erubi (1.8.0)
     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)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -72,7 +72,7 @@ GEM
       rake
     mini_mime (1.0.1)
     mini_portile2 (2.5.1)
-    minitest (5.11.3)
+    minitest (5.17.0)
     msgpack (1.2.10)
     nio4r (2.3.1)
     nokogiri (1.11.4)
@@ -126,7 +126,7 @@ GEM
       sprockets (>= 3.0.0)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)