diff --git a/Gemfile.lock b/Gemfile.lock
index 13df4ae..2d31963 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,13 +47,13 @@ GEM
       msgpack (~> 1.0)
     builder (3.2.3)
     byebug (10.0.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.4)
     erubi (1.7.1)
     ffi (1.9.25)
-    globalid (0.4.1)
-      activesupport (>= 4.2.0)
-    i18n (1.1.0)
+    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)
@@ -67,10 +67,12 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.0)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    minitest (5.15.0)
     msgpack (1.2.4)
     nio4r (2.3.1)
     nokogiri (1.8.5)
@@ -125,7 +127,7 @@ GEM
     sqlite3 (1.3.13)
     thor (0.20.0)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)