diff --git a/Gemfile.lock b/Gemfile.lock
index 8e6898d..560ea65 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,14 +1,18 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (3.2.8)
-      i18n (~> 0.6)
-      multi_json (~> 1.0)
+    activesupport (6.1.0)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     addressable (2.2.8)
     bcrypt-ruby (3.0.1)
     blankslate (2.1.2.4)
     cod (0.5.0)
     coderay (1.0.8)
+    concurrent-ruby (1.1.7)
     data_mapper (1.2.0)
       dm-aggregates (~> 1.2.0)
       dm-constraints (~> 1.2.0)
@@ -62,11 +66,13 @@ GEM
     do_sqlite3 (0.10.10)
       data_objects (= 0.10.10)
     fastercsv (1.5.5)
-    i18n (0.6.1)
+    i18n (1.8.5)
+      concurrent-ruby (~> 1.0)
     json (1.7.5)
     json_pure (1.7.5)
     method_source (0.8)
-    multi_json (1.3.6)
+    minitest (5.14.2)
+    multi_json (1.15.0)
     parslet (1.4.0)
       blankslate (~> 2.0)
     picky (4.9.0)
@@ -107,9 +113,12 @@ GEM
     stringex (1.4.0)
     text (1.2.1)
     tilt (1.3.3)
+    tzinfo (2.0.3)
+      concurrent-ruby (~> 1.0)
     url_escape (2009.06.24)
     uuidtools (2.1.3)
     yajl-ruby (1.1.0)
+    zeitwerk (2.4.2)
 
 PLATFORMS
   ruby