diff --git a/Gemfile.lock b/Gemfile.lock
index 77a74f5..75ebd47 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,31 +10,28 @@ GEM
   remote: http://rubygems.org/
   specs:
     RedCloth (4.2.9)
-    activemodel (4.2.3)
-      activesupport (= 4.2.3)
-      builder (~> 3.1)
-    activerecord (4.2.3)
-      activemodel (= 4.2.3)
-      activesupport (= 4.2.3)
-      arel (~> 6.0)
-    activesupport (4.2.3)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
+    activemodel (7.0.3.1)
+      activesupport (= 7.0.3.1)
+    activerecord (7.0.3.1)
+      activemodel (= 7.0.3.1)
+      activesupport (= 7.0.3.1)
+    activesupport (7.0.3.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
     appraisal (2.0.2)
       bundler
       rake
       thor (>= 0.14.0)
-    arel (6.0.2)
     bluecloth (2.2.0)
     brianjlandau-sdoc-helpers (0.1.5)
-    builder (3.2.2)
-    i18n (0.7.0)
-    json (1.8.3)
+    concurrent-ruby (1.1.10)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
+    json (1.8.6)
     maruku (0.7.2)
-    minitest (5.7.0)
+    minitest (5.16.2)
     rake (10.4.2)
     rdiscount (2.1.8)
     rdoc (4.2.0)
@@ -51,9 +48,8 @@ GEM
       activesupport (>= 3.0.0)
     sqlite3 (1.3.10)
     thor (0.19.1)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
 
 PLATFORMS
   ruby