diff --git a/Gemfile b/Gemfile
index ddc5766eea..fbab1557cb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -88,7 +88,7 @@ gem 'addressable', '~> 2.8.7'
 gem 'acts_as_versioned', git: 'https://github.com/mysociety/acts_as_versioned.git',
                          ref: '13e928b'
 gem 'active_model_otp'
-gem 'activejob-uniqueness', '~> 0.2.5'
+gem 'activejob-uniqueness', '~> 0.3.2'
 gem 'bcrypt', '~> 3.1.20'
 gem 'cancancan', '~> 3.6.1'
 gem 'charlock_holmes', '~> 0.7.9'
diff --git a/Gemfile.lock b/Gemfile.lock
index 805a57f1d6..c817c3b549 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,9 +115,9 @@ GEM
     activejob (7.0.8.4)
       activesupport (= 7.0.8.4)
       globalid (>= 0.3.6)
-    activejob-uniqueness (0.2.5)
-      activejob (>= 4.2, < 7.1)
-      redlock (>= 1.2, < 2)
+    activejob-uniqueness (0.3.2)
+      activejob (>= 4.2, < 7.3)
+      redlock (>= 2.0, < 3)
     activemodel (7.0.8.4)
       activesupport (= 7.0.8.4)
     activerecord (7.0.8.4)
@@ -438,8 +438,10 @@ GEM
     recaptcha (5.17.0)
     redcarpet (3.6.0)
     redis (4.8.1)
-    redlock (1.3.2)
-      redis (>= 3.0.0, < 6.0)
+    redis-client (0.22.2)
+      connection_pool
+    redlock (2.0.6)
+      redis-client (>= 0.14.1, < 1.0.0)
     regexp_parser (2.9.2)
     representable (3.2.0)
       declarative (< 0.1.0)
@@ -587,7 +589,7 @@ PLATFORMS
 
 DEPENDENCIES
   active_model_otp
-  activejob-uniqueness (~> 0.2.5)
+  activejob-uniqueness (~> 0.3.2)
   acts_as_versioned!
   addressable (~> 2.8.7)
   alaveteli_features!