diff --git a/Gemfile.lock b/Gemfile.lock
index cf6df45..e30da53 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,8 +51,14 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.10)
     crass (1.0.3)
+    database_cleaner (2.0.1)
+      database_cleaner-active_record (~> 2.0.0)
+    database_cleaner-active_record (2.0.1)
+      activerecord (>= 5.a)
+      database_cleaner-core (~> 2.0.0)
+    database_cleaner-core (2.0.1)
     devise (4.4.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -74,9 +80,9 @@ GEM
     faker (1.9.1)
       i18n (>= 0.7)
     ffi (1.9.18)
-    globalid (0.4.1)
-      activesupport (>= 4.2.0)
-    i18n (0.9.1)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
@@ -93,7 +99,7 @@ GEM
     method_source (0.9.0)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
-    minitest (5.11.1)
+    minitest (5.17.0)
     multi_json (1.13.1)
     mysql2 (0.4.10)
     nio4r (2.2.0)
@@ -188,7 +194,7 @@ GEM
     turbolinks (5.1.0)
       turbolinks-source (~> 5.1)
     turbolinks-source (5.1.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.3)
       execjs (>= 0.3.0, < 3)
@@ -209,6 +215,7 @@ PLATFORMS
 DEPENDENCIES
   byebug
   coffee-rails (~> 4.2)
+  database_cleaner
   devise
   dotenv-rails
   factory_bot_rails