diff --git a/Gemfile.lock b/Gemfile.lock
index 3c7a817..ddd78f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,8 +80,8 @@ GEM
     chronic (0.10.2)
     codecov (0.5.1)
       simplecov (>= 0.15, < 0.22)
-    concurrent-ruby (1.1.5)
-    connection_pool (2.2.1)
+    concurrent-ruby (1.1.9)
+    connection_pool (2.2.5)
     crass (1.0.4)
     docile (1.3.5)
     dotenv (2.2.1)
@@ -161,7 +161,7 @@ GEM
     powerpack (0.1.1)
     public_suffix (3.0.1)
     puma (3.11.0)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-protection (2.0.5)
       rack
     rack-test (1.1.0)
@@ -194,7 +194,7 @@ GEM
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    redis (4.0.1)
+    redis (4.4.0)
     redis-actionpack (5.0.2)
       actionpack (>= 4.0, < 6)
       redis-rack (>= 1, < 3)
@@ -228,11 +228,10 @@ GEM
     scenic (1.4.1)
       activerecord (>= 4.0.0)
       railties (>= 4.0.0)
-    sidekiq (5.0.5)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
+    sidekiq (5.2.0)
+      connection_pool (~> 2.2, >= 2.2.2)
       rack-protection (>= 1.5.0)
-      redis (>= 3.3.4, < 5)
+      redis (>= 3.3.5, < 5)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)