diff --git a/charts/pontoon/Chart.lock b/charts/pontoon/Chart.lock
index c9c17f8..a15922e 100644
--- a/charts/pontoon/Chart.lock
+++ b/charts/pontoon/Chart.lock
@@ -10,6 +10,6 @@ dependencies:
   version: 1.17.1
 - name: redis-ha
   repository: https://dandydeveloper.github.io/charts
-  version: 4.12.15
-digest: sha256:648d2fdaf2848752781a163a738f995497e274c9e168cbe2bdc7a15271ad6a6b
-generated: "2022-10-07T16:54:35.880701-04:00"
+  version: 4.35.3
+digest: sha256:ba60e58a14dc9d945fdee489f76dc70a1fd0cea9b511ce8f00f4536c5ef5fb47
+generated: "2025-11-19T02:46:19.27923409Z"
diff --git a/charts/pontoon/Chart.yaml b/charts/pontoon/Chart.yaml
index 72a02a4..457a887 100644
--- a/charts/pontoon/Chart.yaml
+++ b/charts/pontoon/Chart.yaml
@@ -30,6 +30,6 @@ dependencies:
     repository: https://charts.bitnami.com/bitnami
   - name: redis-ha
     alias: redis
-    version: 4.12.15
+    version: 4.35.3
     repository: https://dandydeveloper.github.io/charts
     condition: redis.enabled