diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index 3d5bc0f61..a4824fde4 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -70,6 +70,9 @@ GEM
     bcrypt (3.1.11-x64-mingw32)
     bcrypt (3.1.11-x86-mingw32)
     brakeman (4.9.1)
+    brpoplpush-redis_script (0.1.2)
+      concurrent-ruby (~> 1.0, >= 1.0.5)
+      redis (>= 1.0, <= 5.0)
     builder (3.2.3)
     cancancan (2.3.0)
     capistrano (3.14.1)
@@ -90,8 +93,8 @@ GEM
       multi_json
       pg
     coderay (1.1.3)
-    concurrent-ruby (1.1.7)
-    connection_pool (2.2.2)
+    concurrent-ruby (1.1.8)
+    connection_pool (2.2.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     crass (1.0.4)
@@ -189,9 +192,9 @@ GEM
     public_suffix (4.0.6)
     puma (3.12.0)
     puma (3.12.0-java)
-    rack (2.0.6)
+    rack (2.2.3)
     rack-cors (1.0.2)
-    rack-protection (2.0.5)
+    rack-protection (2.1.0)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -237,7 +240,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redis (4.1.0)
+    redis (4.2.5)
     regexp_parser (1.7.1)
     request_store (1.4.1)
       rack (>= 1.4)
@@ -291,10 +294,11 @@ GEM
       rack (>= 1.5.0)
       rack-protection (>= 1.5.0)
       redis (>= 3.3.5, < 5)
-    sidekiq-unique-jobs (6.0.9)
+    sidekiq-unique-jobs (7.0.10)
+      brpoplpush-redis_script (> 0.1.1, <= 2.0.0)
       concurrent-ruby (~> 1.0, >= 1.0.5)
-      sidekiq (>= 4.0, < 6.0)
-      thor (~> 0)
+      sidekiq (>= 5.0, < 7.0)
+      thor (>= 0.20, < 2.0)
     spoon (0.0.6)
       ffi
     spring (2.1.1)
@@ -311,7 +315,7 @@ GEM
     sshkit (1.21.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
-    thor (0.20.3)
+    thor (1.1.0)
     thread_safe (0.3.6)
     thread_safe (0.3.6-java)
     tzinfo (1.2.7)