diff --git a/Gemfile.lock b/Gemfile.lock
index 254f817..e327dd8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,8 +126,8 @@ GEM
       sass (~> 3.2.19)
     compass-rails (2.0.0)
       compass (>= 0.12.2)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     coveralls (0.8.21)
       json (>= 1.8, < 3)
       simplecov (~> 0.14.1)
@@ -255,12 +255,12 @@ GEM
       slop (~> 3.4)
     public_suffix (3.0.2)
     puma (3.11.4)
-    rack (1.6.12)
+    rack (1.6.13)
     rack-contrib (1.8.0)
       rack (~> 1.4)
     rack-cors (1.0.6)
       rack (>= 1.6.0)
-    rack-protection (2.0.2)
+    rack-protection (2.1.0)
       rack
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -292,7 +292,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    redis (4.0.1)
+    redis (4.4.0)
     redis-namespace (1.6.0)
       redis (>= 3.0.4)
     request_store (1.4.1)
@@ -335,9 +335,9 @@ GEM
     shellany (0.0.1)
     shoulda-matchers (3.1.2)
       activesupport (>= 4.0.0)
-    sidekiq (5.1.3)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
+    sidekiq (5.2.8)
+      connection_pool (~> 2.2, >= 2.2.2)
+      rack (< 2.1.0)
       rack-protection (>= 1.5.0)
       redis (>= 3.3.5, < 5)
     sidetiq (0.7.2)