diff --git a/Gemfile.lock b/Gemfile.lock
index 0ec2a7918e944..46ed244c7fb12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,7 +107,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    connection_pool (2.2.1)
+    connection_pool (2.2.5)
     crass (1.0.4)
     dalli (2.7.6)
     dante (0.2.0)
@@ -163,7 +163,7 @@ GEM
     queue_classic (3.1.0)
       pg (>= 0.17, < 0.19)
     racc (1.4.14)
-    rack (1.6.9)
+    rack (1.6.13)
     rack-cache (1.7.1)
       rack (>= 0.4)
     rack-protection (1.5.5)
@@ -181,7 +181,7 @@ GEM
     rake (12.2.1)
     rdoc (4.3.0)
     redcarpet (3.1.2)
-    redis (4.0.1)
+    redis (4.5.1)
     redis-namespace (1.6.0)
       redis (>= 3.0.4)
     resque (1.27.4)
@@ -204,9 +204,9 @@ GEM
     sequel (5.6.0)
     serverengine (1.5.11)
       sigdump (~> 0.2.2)
-    sidekiq (5.1.3)
-      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 (>= 3.3.5, < 5)
     sigdump (0.2.4)