diff --git a/Gemfile.lock b/Gemfile.lock
index d8fde50..4e3dd24 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,18 +1,18 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.7.1)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
+    activesupport (7.0.3.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
     addressable (2.5.1)
       public_suffix (~> 2.0, >= 2.0.2)
     backports (3.6.6)
     bcrypt (3.1.11)
     bcrypt-ruby (3.1.5)
       bcrypt (>= 3.1.3)
+    concurrent-ruby (1.1.10)
     config (1.3.0)
       activesupport (>= 3.0)
       deep_merge (~> 1.1.1)
@@ -66,13 +66,14 @@ GEM
     do_postgres (0.10.17)
       data_objects (= 0.10.17)
     fastercsv (1.5.5)
-    i18n (0.8.1)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
     json (1.8.6)
     json_pure (1.8.6)
     mina (0.3.7)
       open4 (~> 1.3.4)
       rake
-    minitest (5.10.1)
+    minitest (5.16.2)
     multi_json (1.12.1)
     open4 (1.3.4)
     pg (0.20.0)
@@ -95,10 +96,9 @@ GEM
       sinatra (~> 1.4.0)
       tilt (>= 1.3, < 3)
     stringex (1.5.1)
-    thread_safe (0.3.6)
     tilt (2.0.7)
-    tzinfo (1.2.3)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
     uuidtools (2.1.5)
 
 PLATFORMS