diff --git a/api/Gemfile.lock b/api/Gemfile.lock
index 67c7098..46c499b 100644
--- a/api/Gemfile.lock
+++ b/api/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
     byebug (11.0.1)
     coderay (1.1.2)
     concurrent-ruby (1.1.5)
-    connection_pool (2.2.2)
+    connection_pool (2.2.5)
     crass (1.0.4)
     diff-lcs (1.3)
     docsplit (0.7.6)
@@ -208,8 +208,6 @@ GEM
     raabro (1.1.6)
     rack (2.0.7)
     rack-cors (1.0.3)
-    rack-protection (2.0.5)
-      rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)
@@ -241,7 +239,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    redis (4.1.2)
+    redis (4.5.1)
     rescue_registry (0.2.2)
       activesupport (>= 5.0)
     responders (3.0.0)
@@ -269,11 +267,10 @@ GEM
       unicode-display_width (>= 1.4.0, < 1.7)
     ruby-progressbar (1.10.1)
     ruby_dep (1.5.0)
-    sidekiq (5.2.7)
-      connection_pool (~> 2.2, >= 2.2.2)
-      rack (>= 1.5.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.5, < 5)
+    sidekiq (6.4.0)
+      connection_pool (>= 2.2.2)
+      rack (~> 2.0)
+      redis (>= 4.2.0)
     sidekiq-cron (1.1.0)
       fugit (~> 1.1)
       sidekiq (>= 4.2.1)