diff --git a/Gemfile.lock b/Gemfile.lock
index 7a5aabe5a..1d342bb84 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -195,8 +195,8 @@ GEM
       compass (~> 1.0.0)
       sass-rails (< 5.1)
       sprockets (< 4.0)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.1)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     crass (1.0.4)
     cucumber (2.99.0)
       builder (>= 2.1.2)
@@ -395,7 +395,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -473,11 +475,11 @@ GEM
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-pjax (1.0.0)
       nokogiri (~> 1.5)
       rack (>= 1.1)
-    rack-protection (2.0.1)
+    rack-protection (2.1.0)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -597,11 +599,11 @@ GEM
     sentry-raven (2.7.2)
       faraday (>= 0.7.6, < 1.0)
     shellany (0.0.1)
-    sidekiq (5.1.1)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
+    sidekiq (5.2.9)
+      connection_pool (~> 2.2, >= 2.2.2)
+      rack (~> 2.0)
       rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
+      redis (>= 3.3.5, < 4.2)
     sidekiq-cron (0.6.3)
       rufus-scheduler (>= 3.3.0)
       sidekiq (>= 4.2.1)