diff --git a/Gemfile.lock b/Gemfile.lock
index 28ebcf5..e25c565 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,34 +1,35 @@
 PATH
   remote: .
   specs:
-    acts_as_singleton (0.0.7)
-      activerecord (~> 3.1.0)
+    acts_as_singleton (0.0.8)
+      activerecord (>= 3.1.0)
 
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (3.1.0)
-      activesupport (= 3.1.0)
-      bcrypt-ruby (~> 3.0.0)
-      builder (~> 3.0.0)
-      i18n (~> 0.6)
-    activerecord (3.1.0)
-      activemodel (= 3.1.0)
-      activesupport (= 3.1.0)
-      arel (~> 2.2.1)
-      tzinfo (~> 0.3.29)
-    activesupport (3.1.0)
-      multi_json (~> 1.0)
-    arel (2.2.1)
-    bcrypt-ruby (3.0.0)
-    builder (3.0.0)
-    i18n (0.6.0)
-    multi_json (1.0.3)
+    activemodel (6.0.0)
+      activesupport (= 6.0.0)
+    activerecord (6.0.0)
+      activemodel (= 6.0.0)
+      activesupport (= 6.0.0)
+    activesupport (6.0.0)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.1, >= 2.1.8)
+    concurrent-ruby (1.1.5)
+    i18n (1.7.0)
+      concurrent-ruby (~> 1.0)
+    minitest (5.12.2)
     rake (0.9.2)
     sqlite3 (1.3.4)
     sqlite3-ruby (1.3.3)
       sqlite3 (>= 1.3.3)
-    tzinfo (0.3.29)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    zeitwerk (2.2.0)
 
 PLATFORMS
   ruby