diff --git a/Gemfile.lock b/Gemfile.lock
index fbb9e20..d2e7c17 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,16 +84,16 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.4)
+    concurrent-ruby (1.1.10)
     crass (1.0.4)
     debug_inspector (0.0.3)
     erubi (1.8.0)
     execjs (2.7.0)
     ffi (1.10.0)
     ffi (1.10.0-x64-mingw32)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
-    i18n (1.5.3)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     jbuilder (2.8.0)
@@ -118,7 +118,7 @@ GEM
     mimemagic (0.3.3)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.15.0)
     msgpack (1.2.6)
     msgpack (1.2.6-x64-mingw32)
     multi_json (1.13.1)
@@ -199,13 +199,12 @@ GEM
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.2)
       tzinfo (>= 1.0.0)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)
-    wdm (0.1.1)
     web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
@@ -244,7 +243,6 @@ DEPENDENCIES
   spring-watcher-listen (~> 2.0.0)
   tzinfo-data
   uglifier (>= 1.3.0)
-  wdm (>= 0.1.0)
   web-console (>= 3.3.0)
 
 RUBY VERSION