diff --git a/Gemfile b/Gemfile
index 3ff9c47..f3138de 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source :rubygems
 
 gem 'sinatra', '~> 2.0.5'
-gem 'activerecord', '~> 5.2.2'
+gem 'activerecord', '~> 5.2.4'
 gem 'sinatra-activerecord', '~> 2.0.14'
 gem 'pg'
 gem 'rake'
diff --git a/Gemfile.lock b/Gemfile.lock
index ad416c5..4bf2bc4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,13 +1,13 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (5.2.4.2)
-      activesupport (= 5.2.4.2)
-    activerecord (5.2.4.2)
-      activemodel (= 5.2.4.2)
-      activesupport (= 5.2.4.2)
+    activemodel (5.2.4.5)
+      activesupport (= 5.2.4.5)
+    activerecord (5.2.4.5)
+      activemodel (= 5.2.4.5)
+      activesupport (= 5.2.4.5)
       arel (>= 9.0)
-    activesupport (5.2.4.2)
+    activesupport (5.2.4.5)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -16,7 +16,7 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     arel (9.0.0)
     bond (0.5.1)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.1.8)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
@@ -29,12 +29,12 @@ GEM
     http-accept (1.7.0)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (1.8.2)
+    i18n (1.8.9)
       concurrent-ruby (~> 1.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    minitest (5.14.0)
+    minitest (5.14.4)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
@@ -93,7 +93,7 @@ GEM
       ripl-multi_line (>= 0.2.4)
       ripl-rack (>= 0.2.0)
       sinatra (>= 1.2.1)
-    tzinfo (1.2.6)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext
@@ -107,7 +107,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  activerecord (~> 5.2.2)
+  activerecord (~> 5.2.4)
   factory_bot
   ffaker
   pg