diff --git a/Gemfile.lock b/Gemfile.lock
index 7eb7d0af..da6a23a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -294,7 +294,7 @@ GEM
     semantic-ui-sass (2.4.4.0)
       sassc
     semantic_range (3.0.0)
-    sidekiq (6.3.1)
+    sidekiq (6.4.0)
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
       redis (>= 4.2.0)