diff --git a/Gemfile.lock b/Gemfile.lock
index afa9311..b235a1b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,8 +84,8 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    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)
     crass (1.0.3)
@@ -186,10 +186,10 @@ GEM
       pry (>= 0.10.4)
     public_suffix (2.0.4)
     puma (3.11.4)
-    rack (2.0.4)
+    rack (2.2.3)
     rack-mini-profiler (0.10.1)
       rack (>= 1.2.0)
-    rack-protection (2.0.0.beta2)
+    rack-protection (2.1.0)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -271,11 +271,11 @@ GEM
       websocket (~> 1.0)
     sentry-raven (2.6.3)
       faraday (>= 0.7.6, < 1.0)
-    sidekiq (5.0.4)
-      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, >= 3.3.3)
+      redis (>= 3.3.5, < 4.2)
     spring (2.0.0)
       activesupport (>= 4.2)
     sprockets (3.7.1)