diff --git a/Gemfile.lock b/Gemfile.lock
index 6aad334..8bbe4f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,8 +61,8 @@ GEM
     builder (3.2.3)
     byebug (9.0.6)
     chartkick (2.0.2)
-    concurrent-ruby (1.0.5)
-    connection_pool (2.2.1)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     dotenv (2.2.1)
     dotenv-rails (2.2.1)
       dotenv (= 2.2.1)
@@ -108,8 +108,8 @@ GEM
     nio4r (2.0.0)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
-    rack (2.0.2)
-    rack-protection (1.5.3)
+    rack (2.2.3)
+    rack-protection (2.1.0)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -141,7 +141,7 @@ GEM
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)
-    redis (3.3.3)
+    redis (3.3.5)
     redis-namespace (1.5.2)
       redis (~> 3.0, >= 3.0.4)
     sass (3.4.23)
@@ -151,11 +151,10 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sidekiq (4.2.9)
-      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 (~> 3.2, >= 3.2.1)
+      redis (>= 3.3.5, < 5)
     simple_form (3.4.0)
     slim (3.0.8)
       temple (>= 0.7.6, < 0.9)