diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/bungeesemaphore-redis.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/bungeesemaphore-redis.yaml
index 7bb370efe..1cbaf73fe 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/bungeesemaphore-redis.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/bungeesemaphore-redis.yaml
@@ -8,7 +8,7 @@ spec:
   source:
     chart: redis
     repoURL: https://charts.bitnami.com/bitnami
-    targetRevision: 18.2.1
+    targetRevision: 18.3.0
     helm:
       releaseName: seichi-debug-bungeesemaphore-redis
       values: |
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/redisbungee-redis.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/redisbungee-redis.yaml
index bcc1ed4fc..fe49bc63d 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/redisbungee-redis.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-gateway/bungeecord/redisbungee-redis.yaml
@@ -8,7 +8,7 @@ spec:
   source:
     chart: redis
     repoURL: https://charts.bitnami.com/bitnami
-    targetRevision: 18.2.1
+    targetRevision: 18.3.0
     helm:
       releaseName: seichi-debug-redisbungee-redis
       values: |
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/bungeesemaphore-redis.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/bungeesemaphore-redis.yaml
index 8c32f80a2..269447b45 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/bungeesemaphore-redis.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/bungeesemaphore-redis.yaml
@@ -8,7 +8,7 @@ spec:
   source:
     chart: redis
     repoURL: https://charts.bitnami.com/bitnami
-    targetRevision: 18.2.1
+    targetRevision: 18.3.0
     helm:
       releaseName: seichi-bungeesemaphore-redis
       values: |
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/redisbungee-redis.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/redisbungee-redis.yaml
index 01d168806..fe3c49191 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/redisbungee-redis.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-minecraft/redis/redisbungee-redis.yaml
@@ -8,7 +8,7 @@ spec:
   source:
     chart: redis
     repoURL: https://charts.bitnami.com/bitnami
-    targetRevision: 18.2.1
+    targetRevision: 18.3.0
     helm:
       releaseName: seichi-redisbungee-redis
       values: |