diff --git a/Gemfile.lock b/Gemfile.lock
index 23c8fee..e706f53 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,11 +1,18 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (3.2.7)
-      i18n (~> 0.6)
-      multi_json (~> 1.0)
+    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)
+    bourne (1.6.0)
+      mocha (~> 1.1)
+    concurrent-ruby (1.1.5)
     git (1.2.5)
-    i18n (0.6.0)
+    i18n (1.7.0)
+      concurrent-ruby (~> 1.0)
     jeweler (1.8.4)
       bundler (~> 1.0)
       git (>= 1.2.5)
@@ -13,7 +20,11 @@ GEM
       rdoc
     json (1.7.4)
     log4r (1.1.10)
-    multi_json (1.3.6)
+    metaclass (0.0.4)
+    minitest (5.12.2)
+    mocha (1.9.0)
+      metaclass (~> 0.0.1)
+    multi_json (1.14.0)
     rake (0.9.2.2)
     rdoc (3.12)
       json (~> 1.4)
@@ -21,12 +32,17 @@ GEM
       shoulda-context (~> 1.0)
       shoulda-matchers (~> 1.2)
     shoulda-context (1.0.0)
-    shoulda-matchers (1.2.0)
+    shoulda-matchers (1.5.6)
       activesupport (>= 3.0.0)
+      bourne (~> 1.3)
     simplecov (0.6.4)
       multi_json (~> 1.0)
       simplecov-html (~> 0.5.3)
     simplecov-html (0.5.3)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    zeitwerk (2.2.0)
 
 PLATFORMS
   ruby