diff --git a/Gemfile.lock b/Gemfile.lock
index af549af..b5a122f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,8 +49,8 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    connection_pool (2.2.1)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     crass (1.0.3)
     daemons (1.2.6)
     debug_inspector (0.0.3)
@@ -118,8 +118,8 @@ GEM
       pry (~> 0.10)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.12)
-    rack-protection (2.0.0)
+    rack (1.6.13)
+    rack-protection (2.1.0)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -149,7 +149,7 @@ GEM
       thor (>= 0.18.1, < 2.0)
     rake (12.3.0)
     rdoc (4.3.0)
-    redis (4.0.1)
+    redis (4.4.0)
     ref (2.0.0)
     sass (3.2.19)
     sass-rails (4.0.5)
@@ -163,11 +163,10 @@ GEM
     sdoc (0.4.2)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
-    sidekiq (5.0.5)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
+    sidekiq (5.2.0)
+      connection_pool (~> 2.2, >= 2.2.2)
       rack-protection (>= 1.5.0)
-      redis (>= 3.3.4, < 5)
+      redis (>= 3.3.5, < 5)
     simple_form (3.5.0)
       actionpack (> 4, < 5.2)
       activemodel (> 4, < 5.2)