diff --git a/Gemfile.lock b/Gemfile.lock
index e0e45a4..53124d1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,20 +103,21 @@ GEM
     marcel (1.0.0)
     method_source (1.0.0)
     mini_mime (1.0.3)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.7)
-    nokogiri (1.11.2)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.11.2-x64-mingw32)
+    nokogiri (1.13.9-x64-mingw32)
       racc (~> 1.4)
     pg (1.2.3)
+    pg (1.2.3-x64-mingw32)
     public_suffix (4.0.6)
     puma (4.3.7)
       nio4r (~> 2.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-proxy (0.6.5)
       rack
@@ -152,6 +153,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
+    redis (4.8.0)
     regexp_parser (2.1.1)
     ruby_dep (1.5.0)
     rubyzip (2.3.0)
@@ -224,6 +226,7 @@ DEPENDENCIES
   pg
   puma (~> 4.3)
   rails (~> 6.1.3.1)
+  redis (~> 4.0)
   sass-rails (>= 6)
   selenium-webdriver
   spring