diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/seichiassist-config.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/seichiassist-config.yaml
index 2e96d4a5c..fdf74f5c8 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/seichiassist-config.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/seichiassist-config.yaml
@@ -12,7 +12,7 @@ data:
     port: '3306'
     db: 'seichiassist'
     id: 'root'
-    pw: ''
+    pw: '${CFG_SEICHIASSIST_MYSQL_ROOT_PASSWORD}'
 
     # サーバ識別設定
     # 複数サーバ構成にする場合はこの値をサーバごとに変更します
diff --git a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/stateful-set.yaml b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/stateful-set.yaml
index f9760b964..aba4966f1 100644
--- a/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/stateful-set.yaml
+++ b/seichi-onp-k8s/manifests/seichi-kubernetes/apps/seichi-debug-minecraft/mcserver--debug-s1/stateful-set.yaml
@@ -123,6 +123,12 @@ spec:
             - name: CFG_DISCORDSRV_CONSOLE_CHANNEL_ID
               value: "1054159676964622426"
 
+            - name: CFG_SEICHIASSIST_MYSQL_ROOT_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: mariadb
+                  key: root-password
+
             - name: RCON_CMDS_STARTUP
               value: |-
                 mv create world_SW NORMAL