diff --git a/Gemfile.lock b/Gemfile.lock
index f2927d5..b2e0b06 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,8 +20,7 @@ GEM
     colorize (0.8.1)
     commander (4.4.0)
       highline (~> 1.7.2)
-    concurrent-ruby (1.0.2)
-    connection_pool (2.2.1)
+    connection_pool (2.2.5)
     daemons (1.2.4)
     eventmachine (1.2.1)
     highline (1.7.8)
@@ -34,19 +33,19 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (3.2.0)
     power_assert (0.2.6)
-    rack (1.6.5)
-    rack-protection (1.5.3)
+    rack (1.6.13)
+    rack-protection (1.5.5)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
     rake (12.0.0)
-    redis (3.3.2)
+    redis (4.5.1)
     remote_lock (1.1.0)
-    sidekiq (4.2.6)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
+    sidekiq (5.2.8)
+      connection_pool (~> 2.2, >= 2.2.2)
+      rack (< 2.1.0)
       rack-protection (>= 1.5.0)
-      redis (~> 3.2, >= 3.2.1)
+      redis (>= 3.3.5, < 5)
     sinatra (1.4.7)
       rack (~> 1.5)
       rack-protection (~> 1.4)