diff --git a/argoproj/hitohub/overlays/prod/tidb-cluster.yaml b/argoproj/hitohub/overlays/prod/tidb-cluster.yaml
index 7892f50f8..eb701f220 100644
--- a/argoproj/hitohub/overlays/prod/tidb-cluster.yaml
+++ b/argoproj/hitohub/overlays/prod/tidb-cluster.yaml
@@ -10,7 +10,7 @@ spec:
   configUpdateStrategy: RollingUpdate
   discovery: {}
   helper:
-    image: alpine:3.23.3
+    image: alpine:3.23.4
   pd:
     baseImage: pingcap/pd
     maxFailoverCount: 3  # フェイルオーバーを許容するための設定
diff --git a/argoproj/hitohub/overlays/stage/tidb-cluster.yaml b/argoproj/hitohub/overlays/stage/tidb-cluster.yaml
index c6f91f6c2..4167edf9b 100644
--- a/argoproj/hitohub/overlays/stage/tidb-cluster.yaml
+++ b/argoproj/hitohub/overlays/stage/tidb-cluster.yaml
@@ -10,7 +10,7 @@ spec:
   configUpdateStrategy: RollingUpdate
   discovery: {}
   helper:
-    image: alpine:3.23.3
+    image: alpine:3.23.4
   pd:
     baseImage: pingcap/pd
     maxFailoverCount: 0