diff --git a/Gemfile.lock b/Gemfile.lock
index cf6df45..aa02427 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,13 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.6)
+    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)
@@ -85,22 +91,24 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.1.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.1)
     multi_json (1.13.1)
     mysql2 (0.4.10)
     nio4r (2.2.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     puma (3.11.2)
+    racc (1.6.1)
     rack (2.0.3)
     rack-test (0.8.2)
       rack (>= 1.0, < 3)
@@ -209,6 +217,7 @@ PLATFORMS
 DEPENDENCIES
   byebug
   coffee-rails (~> 4.2)
+  database_cleaner
   devise
   dotenv-rails
   factory_bot_rails