diff --git a/Gemfile.lock b/Gemfile.lock
index 996fc318..8a593728 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -752,7 +752,7 @@ GEM
       multi_json (~> 1.0)
       pusher-signature (~> 0.1.8)
     pusher-signature (0.1.8)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-protection (2.0.4)
       rack
     rack-ssl (1.4.1)
@@ -765,7 +765,7 @@ GEM
       ffi (>= 1.0.6)
       msgpack (>= 0.4.3)
       optimist (>= 3.0.0)
-    redis (4.0.2)
+    redis (4.5.1)
     redis-namespace (1.6.0)
       redis (>= 3.0.4)
     redlock (0.2.2)
@@ -796,10 +796,11 @@ GEM
     sentry-raven (2.7.4)
       faraday (>= 0.7.6, < 1.0)
     sequel (5.13.0)
-    sidekiq (5.2.2)
+    sidekiq (5.2.10)
       connection_pool (~> 2.2, >= 2.2.2)
+      rack (~> 2.0)
       rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
+      redis (~> 4.5, < 4.6.0)
     signet (0.11.0)
       addressable (~> 2.3)
       faraday (~> 0.9)