diff --git a/Gemfile.lock b/Gemfile.lock
index b565ad1a..0374ae6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
       climate_control (>= 0.0.3, < 1.0)
     coderay (1.1.2)
     concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
+    connection_pool (2.2.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     crass (1.0.4)
@@ -426,12 +426,10 @@ GEM
     pundit (2.0.1)
       activesupport (>= 3.0.0)
     raabro (1.1.6)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-attack (6.0.0)
       rack (>= 1.0, < 3)
     rack-cors (1.0.3)
-    rack-protection (2.0.5)
-      rack
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)
@@ -480,7 +478,7 @@ GEM
     rdf-normalize (0.3.3)
       rdf (>= 2.2, < 4.0)
     redcarpet (3.4.0)
-    redis (4.1.2)
+    redis (4.2.5)
     redis-actionpack (5.0.2)
       actionpack (>= 4.0, < 6)
       redis-rack (>= 1, < 3)
@@ -554,11 +552,10 @@ GEM
     scss_lint (0.58.0)
       rake (>= 0.9, < 13)
       sass (~> 3.5, >= 3.5.5)
-    sidekiq (5.2.7)
+    sidekiq (6.1.2)
       connection_pool (>= 2.2.2)
-      rack (>= 2.0.0)
-      rack-protection (>= 2.0.0)
-      redis (>= 4.1.0)
+      rack (~> 2.0)
+      redis (>= 4.2.0)
     sidekiq-bulk (0.2.0)
       sidekiq
     sidekiq-scheduler (3.0.0)
@@ -751,7 +748,7 @@ DEPENDENCIES
   rubocop (~> 0.71)
   sanitize (~> 5.0)
   scss_lint (~> 0.58)
-  sidekiq (~> 5.2)
+  sidekiq (~> 6.0)
   sidekiq-bulk (~> 0.2.0)
   sidekiq-scheduler (~> 3.0)
   sidekiq-unique-jobs (~> 6.0)