diff --git a/Gemfile.lock b/Gemfile.lock
index 2b2ab2c..5ef6d6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,22 +1,21 @@
 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)
-    arel (3.0.2)
-    builder (3.0.0)
+    activemodel (7.0.4.1)
+      activesupport (= 7.0.4.1)
+    activerecord (7.0.4.1)
+      activemodel (= 7.0.4.1)
+      activesupport (= 7.0.4.1)
+    activesupport (7.0.4.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.1.3)
-    i18n (0.6.0)
-    multi_json (1.3.4)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
+    minitest (5.17.0)
     pg (0.13.2)
     rake (0.9.2.2)
     rspec (2.9.0)
@@ -27,7 +26,8 @@ GEM
     rspec-expectations (2.9.1)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.9.0)
-    tzinfo (0.3.33)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
 
 PLATFORMS
   ruby