diff --git a/Gemfile b/Gemfile
index d47a564f..790bd90e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem 'gettext_i18n_rails'
 gem 'rack-cors'
 gem 'rest-client'
 gem 'sentry-raven', '~> 3.1.2'
-gem 'sidekiq', '~> 6.4.0'
+gem 'sidekiq', '~> 6.5.10'
 gem 'simple_form', '~> 5.0'
 gem 'slim', '~> 4.0'
 gem 'validates_email_format_of'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1b18dcd8..00c06d99 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     childprocess (4.1.0)
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
-    connection_pool (2.3.0)
+    connection_pool (2.4.1)
     crass (1.0.6)
     database_cleaner (2.0.2)
       database_cleaner-active_record (>= 2, < 3)
@@ -208,7 +208,7 @@ GEM
     puma (4.3.12)
       nio4r (~> 2.0)
     racc (1.6.2)
-    rack (2.2.7)
+    rack (2.2.8)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-proxy (0.7.4)
@@ -246,10 +246,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redis (5.0.5)
-      redis-client (>= 0.9.0)
-    redis-client (0.10.0)
-      connection_pool
+    redis (4.8.1)
     regexp_parser (2.6.0)
     responders (3.1.0)
       actionpack (>= 5.2)
@@ -303,10 +300,10 @@ GEM
     sentry-raven (3.1.2)
       faraday (>= 1.0)
     sexp_processor (4.16.1)
-    sidekiq (6.4.2)
-      connection_pool (>= 2.2.2)
+    sidekiq (6.5.10)
+      connection_pool (>= 2.2.5, < 3)
       rack (~> 2.0)
-      redis (>= 4.2.0)
+      redis (>= 4.5.0, < 5)
     simple_form (5.2.0)
       actionpack (>= 5.2)
       activemodel (>= 5.2)
@@ -408,7 +405,7 @@ DEPENDENCIES
   sass-rails (~> 5)
   selenium-webdriver
   sentry-raven (~> 3.1.2)
-  sidekiq (~> 6.4.0)
+  sidekiq (~> 6.5.10)
   simple_form (~> 5.0)
   simplecov
   slim (~> 4.0)