diff --git a/Gemfile.lock b/Gemfile.lock
index 54bab522..084ec881 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -176,9 +176,10 @@ GEM
       sentry-rails (~> 5.3)
       sentry-ruby (~> 5.3)
       statsd-ruby (~> 1.5)
-    govuk_sidekiq (8.0.0)
+    govuk_sidekiq (8.0.1)
       gds-api-adapters (>= 19.1.0)
       govuk_app_config (>= 1.1)
+      redis (< 5)
       redis-namespace (~> 1.6)
       sidekiq (~> 6.5, >= 6.5.12)
     hashdiff (1.1.0)
@@ -299,6 +300,10 @@ GEM
       opentelemetry-common (~> 0.20)
     opentelemetry-helpers-sql-obfuscation (0.1.0)
       opentelemetry-common (~> 0.20)
+    opentelemetry-instrumentation-action_mailer (0.1.0)
+      opentelemetry-api (~> 1.0)
+      opentelemetry-instrumentation-active_support (~> 0.1)
+      opentelemetry-instrumentation-base (~> 0.22.1)
     opentelemetry-instrumentation-action_pack (0.9.0)
       opentelemetry-api (~> 1.0)
       opentelemetry-instrumentation-base (~> 0.22.1)
@@ -434,8 +439,9 @@ GEM
       opentelemetry-api (~> 1.0)
       opentelemetry-common (~> 0.21.0)
       opentelemetry-instrumentation-base (~> 0.22.1)
-    opentelemetry-instrumentation-rails (0.30.1)
+    opentelemetry-instrumentation-rails (0.30.2)
       opentelemetry-api (~> 1.0)
+      opentelemetry-instrumentation-action_mailer (~> 0.1.0)
       opentelemetry-instrumentation-action_pack (~> 0.9.0)
       opentelemetry-instrumentation-action_view (~> 0.7.0)
       opentelemetry-instrumentation-active_job (~> 0.7.0)