diff --git a/Gemfile.lock b/Gemfile.lock
index abca5eff..080591b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,9 +97,6 @@ GEM
       msgpack (~> 1.2)
     brakeman (6.2.1)
       racc
-    brpoplpush-redis_script (0.1.3)
-      concurrent-ruby (~> 1.0, >= 1.0.5)
-      redis (>= 1.0, < 6)
     bson (5.0.1)
     builder (3.3.0)
     byebug (11.1.3)
@@ -195,12 +192,11 @@ GEM
       sentry-rails (~> 5.3)
       sentry-ruby (~> 5.3)
       statsd-ruby (~> 1.5)
-    govuk_sidekiq (8.0.1)
+    govuk_sidekiq (9.0.0)
       gds-api-adapters (>= 19.1.0)
       govuk_app_config (>= 1.1)
-      redis (< 5)
-      redis-namespace (~> 1.6)
-      sidekiq (~> 6.5, >= 6.5.12)
+      redis-client (>= 0.22.2)
+      sidekiq (~> 7.0, < 8)
     hashdiff (1.1.1)
     hashie (5.0.0)
     http-accept (1.7.0)
@@ -596,9 +592,8 @@ GEM
       ffi (~> 1.0)
     rdoc (6.7.0)
       psych (>= 4.0.0)
-    redis (4.8.1)
-    redis-namespace (1.11.0)
-      redis (>= 4)
+    redis-client (0.22.2)
+      connection_pool
     regexp_parser (2.9.2)
     reline (0.5.10)
       io-console (~> 0.5)
@@ -682,16 +677,16 @@ GEM
     sentry-sidekiq (5.19.0)
       sentry-ruby (~> 5.19.0)
       sidekiq (>= 3.0)
-    sidekiq (6.5.12)
-      connection_pool (>= 2.2.5, < 3)
-      rack (~> 2.0)
-      redis (>= 4.5.0, < 5)
-    sidekiq-unique-jobs (7.1.33)
-      brpoplpush-redis_script (> 0.1.1, <= 2.0.0)
+    sidekiq (7.3.2)
+      concurrent-ruby (< 2)
+      connection_pool (>= 2.3.0)
+      logger
+      rack (>= 2.2.4)
+      redis-client (>= 0.22.2)
+    sidekiq-unique-jobs (8.0.10)
       concurrent-ruby (~> 1.0, >= 1.0.5)
-      redis (< 5.0)
-      sidekiq (>= 5.0, < 7.0)
-      thor (>= 0.20, < 3.0)
+      sidekiq (>= 7.0.0, < 8.0.0)
+      thor (>= 1.0, < 3.0)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -741,7 +736,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.8.1)
+    webrick (1.8.2)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)