diff --git a/Gemfile.lock b/Gemfile.lock
index a2d6682..0944ccd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,7 @@ GEM
     builder (3.2.3)
     byebug (9.0.6)
     concurrent-ruby (1.0.5)
-    connection_pool (2.2.1)
+    crass (1.0.6)
     erubis (2.7.0)
     ffi (1.9.18)
     globalid (0.4.0)
@@ -51,7 +51,8 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.9.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.5)
       mime-types (>= 1.16, < 4)
@@ -59,17 +60,17 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.5.0)
     minitest (5.10.2)
     nio4r (2.1.0)
-    nokogiri (1.7.2)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.11.2)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pg (0.20.0)
     puma (3.9.1)
+    racc (1.5.2)
     rack (2.0.3)
     rack-cors (0.4.1)
-    rack-protection (2.0.0)
-      rack
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.3)
@@ -99,12 +100,6 @@ GEM
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)
-    redis (3.3.3)
-    sidekiq (5.0.2)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
-      rack-protection (>= 1.5.0)
-      redis (~> 3.3, >= 3.3.3)
     sprockets (3.7.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -130,7 +125,6 @@ DEPENDENCIES
   puma (~> 3.0)
   rack-cors
   rails (~> 5.0.3)
-  sidekiq (= 5.0.2)
   tzinfo-data
 
 BUNDLED WITH