diff --git a/Gemfile.lock b/Gemfile.lock
index 253282a..696ea5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -263,7 +263,7 @@ GEM
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.4)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-pjax (1.1.0)
@@ -313,7 +313,7 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redis (4.2.5)
+    redis (4.8.0)
     remotipart (1.4.4)
     request_store (1.5.0)
       rack (>= 1.4)
@@ -362,10 +362,10 @@ GEM
       tilt
     sentry-raven (3.1.2)
       faraday (>= 1.0)
-    sidekiq (6.2.1)
-      connection_pool (>= 2.2.2)
+    sidekiq (6.5.6)
+      connection_pool (>= 2.2.5)
       rack (~> 2.0)
-      redis (>= 4.2.0)
+      redis (>= 4.5.0, < 5)
     sidekiq-scheduler (3.1.0)
       e2mmap
       redis (>= 3, < 5)