diff --git a/Gemfile.lock b/Gemfile.lock
index 7f50091..f12948e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.1)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -10,15 +10,15 @@ GEM
     awesome_print (1.8.0)
     backports (3.11.4)
     byebug (10.0.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.7)
     diff-lcs (1.3)
     ffi (1.13.1)
-    i18n (1.1.0)
+    i18n (1.8.5)
       concurrent-ruby (~> 1.0)
     listen (3.2.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    minitest (5.11.3)
+    minitest (5.14.2)
     multi_json (1.13.1)
     mustermann (1.0.3)
     parallel (1.19.2)
@@ -85,7 +85,7 @@ GEM
     sinatra-cross_origin (0.4.0)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.5)
+    tzinfo (1.2.7)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
     vpim (13.11.11)