diff --git a/Gemfile.lock b/Gemfile.lock
index 99e4b61e..b5caddac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,8 +110,8 @@ GEM
     coderay (1.1.2)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
-    concurrent-ruby (1.0.5)
-    connection_pool (2.2.1)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     database_cleaner (1.7.0)
@@ -159,10 +159,10 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (2.0.5)
     rack (2.2.3)
-    rack-protection (2.0.1)
+    rack-protection (2.1.0)
       rack
     rake (13.0.1)
-    redis (3.3.3)
+    redis (3.3.5)
     redis-namespace (1.5.2)
       redis (~> 3.0, >= 3.0.4)
     redlock (0.1.8)
@@ -184,11 +184,11 @@ GEM
     safe_yaml (1.0.4)
     sentry-raven (2.6.3)
       faraday (>= 0.7.6, < 1.0)
-    sidekiq (4.2.6)
-      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 (~> 3.2, >= 3.2.1)
+      redis (>= 3.3.5, < 4.2)
     sidekiq-pro (3.4.0)
       sidekiq (>= 4.1.5)
     thread_safe (0.3.6)