diff --git a/Gemfile.lock b/Gemfile.lock
index 5dafe0d..4cca4ba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,32 +1,32 @@
 PATH
   remote: .
   specs:
-    activerecord-nulldb-adapter (0.2.1)
+    activerecord-nulldb-adapter (0.2.3)
       activerecord (>= 2.0.0)
 
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (3.2.3)
-      activesupport (= 3.2.3)
-      builder (~> 3.0.0)
-    activerecord (3.2.3)
-      activemodel (= 3.2.3)
-      activesupport (= 3.2.3)
-      arel (~> 3.0.2)
-      tzinfo (~> 0.3.29)
-    activesupport (3.2.3)
-      i18n (~> 0.6)
-      multi_json (~> 1.0)
+    activemodel (6.0.2.1)
+      activesupport (= 6.0.2.1)
+    activerecord (6.0.2.1)
+      activemodel (= 6.0.2.1)
+      activesupport (= 6.0.2.1)
+    activesupport (6.0.2.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.2)
     appraisal (0.4.1)
       bundler
       rake
-    arel (3.0.2)
-    builder (3.0.0)
+    concurrent-ruby (1.1.6)
     diff-lcs (1.1.3)
-    i18n (0.6.0)
-    multi_json (1.3.4)
-    rake (0.9.2.2)
+    i18n (1.8.2)
+      concurrent-ruby (~> 1.0)
+    minitest (5.14.0)
+    rake (13.0.1)
     rspec (2.10.0)
       rspec-core (~> 2.10.0)
       rspec-expectations (~> 2.10.0)
@@ -35,7 +35,10 @@ GEM
     rspec-expectations (2.10.0)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.10.1)
-    tzinfo (0.3.33)
+    thread_safe (0.3.6)
+    tzinfo (1.2.6)
+      thread_safe (~> 0.1)
+    zeitwerk (2.2.2)
 
 PLATFORMS
   ruby