diff --git a/Gemfile.lock b/Gemfile.lock
index 81e7ff5d..9845cbcf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,8 +202,6 @@ GEM
       rspec-rails (>= 3.0.0)
     racc (1.6.0)
     rack (2.2.3)
-    rack-protection (2.1.0)
-      rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.3.6)
@@ -240,7 +238,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redis (4.4.0)
+    redis (4.5.1)
     render_anywhere (0.0.12)
       rails (>= 3.0.7)
     request_store (1.4.1)
@@ -281,10 +279,10 @@ GEM
       tilt (>= 1.1, < 3)
     shoulda-matchers (3.1.3)
       activesupport (>= 4.0.0)
-    sidekiq (5.2.0)
-      connection_pool (~> 2.2, >= 2.2.2)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
+    sidekiq (6.4.0)
+      connection_pool (>= 2.2.2)
+      rack (~> 2.0)
+      redis (>= 4.2.0)
     sidekiq-cron (0.6.3)
       rufus-scheduler (>= 3.3.0)
       sidekiq (>= 4.2.1)