diff --git a/content/de/reference/environment-variables.md b/content/de/reference/environment-variables.md
index e2f5a8fc..9db71398 100644
--- a/content/de/reference/environment-variables.md
+++ b/content/de/reference/environment-variables.md
@@ -26,6 +26,7 @@ Boolean variables accept `true`/`false`. Values shown as "unset" have no default
 | `RUSTFS_HEALTH_READINESS_CACHE_TTL_MS` | `1000` | Cache TTL for readiness probe results, in milliseconds. |
 | `RUSTFS_HEALTH_CLUSTER_TIMEOUT_MS` | `2000` | Timeout for cluster health probes (`/minio/health/cluster`), in milliseconds. |
 | `RUSTFS_STARTUP_READINESS_MAX_WAIT_SECS` | `120` | Maximum time the readiness probe reports "starting" before startup is considered failed. |
+| `RUSTFS_CHECK_UPDATE` | `true` | Check for a newer RustFS release at startup by sending one HTTPS request to `version.rustfs.com`; the user agent carries the current version. The result is logged only, and RustFS never updates itself. Set to `false` to skip the outbound request, for example in air-gapped deployments; unrecognized values fall back to `true`. |
 
 ## Console
 
diff --git a/content/en/reference/environment-variables.md b/content/en/reference/environment-variables.md
index e2f5a8fc..9db71398 100644
--- a/content/en/reference/environment-variables.md
+++ b/content/en/reference/environment-variables.md
@@ -26,6 +26,7 @@ Boolean variables accept `true`/`false`. Values shown as "unset" have no default
 | `RUSTFS_HEALTH_READINESS_CACHE_TTL_MS` | `1000` | Cache TTL for readiness probe results, in milliseconds. |
 | `RUSTFS_HEALTH_CLUSTER_TIMEOUT_MS` | `2000` | Timeout for cluster health probes (`/minio/health/cluster`), in milliseconds. |
 | `RUSTFS_STARTUP_READINESS_MAX_WAIT_SECS` | `120` | Maximum time the readiness probe reports "starting" before startup is considered failed. |
+| `RUSTFS_CHECK_UPDATE` | `true` | Check for a newer RustFS release at startup by sending one HTTPS request to `version.rustfs.com`; the user agent carries the current version. The result is logged only, and RustFS never updates itself. Set to `false` to skip the outbound request, for example in air-gapped deployments; unrecognized values fall back to `true`. |
 
 ## Console
 
diff --git a/content/fr/reference/environment-variables.md b/content/fr/reference/environment-variables.md
index e2f5a8fc..9db71398 100644
--- a/content/fr/reference/environment-variables.md
+++ b/content/fr/reference/environment-variables.md
@@ -26,6 +26,7 @@ Boolean variables accept `true`/`false`. Values shown as "unset" have no default
 | `RUSTFS_HEALTH_READINESS_CACHE_TTL_MS` | `1000` | Cache TTL for readiness probe results, in milliseconds. |
 | `RUSTFS_HEALTH_CLUSTER_TIMEOUT_MS` | `2000` | Timeout for cluster health probes (`/minio/health/cluster`), in milliseconds. |
 | `RUSTFS_STARTUP_READINESS_MAX_WAIT_SECS` | `120` | Maximum time the readiness probe reports "starting" before startup is considered failed. |
+| `RUSTFS_CHECK_UPDATE` | `true` | Check for a newer RustFS release at startup by sending one HTTPS request to `version.rustfs.com`; the user agent carries the current version. The result is logged only, and RustFS never updates itself. Set to `false` to skip the outbound request, for example in air-gapped deployments; unrecognized values fall back to `true`. |
 
 ## Console
 
diff --git a/content/ja/reference/environment-variables.md b/content/ja/reference/environment-variables.md
index e2f5a8fc..9db71398 100644
--- a/content/ja/reference/environment-variables.md
+++ b/content/ja/reference/environment-variables.md
@@ -26,6 +26,7 @@ Boolean variables accept `true`/`false`. Values shown as "unset" have no default
 | `RUSTFS_HEALTH_READINESS_CACHE_TTL_MS` | `1000` | Cache TTL for readiness probe results, in milliseconds. |
 | `RUSTFS_HEALTH_CLUSTER_TIMEOUT_MS` | `2000` | Timeout for cluster health probes (`/minio/health/cluster`), in milliseconds. |
 | `RUSTFS_STARTUP_READINESS_MAX_WAIT_SECS` | `120` | Maximum time the readiness probe reports "starting" before startup is considered failed. |
+| `RUSTFS_CHECK_UPDATE` | `true` | Check for a newer RustFS release at startup by sending one HTTPS request to `version.rustfs.com`; the user agent carries the current version. The result is logged only, and RustFS never updates itself. Set to `false` to skip the outbound request, for example in air-gapped deployments; unrecognized values fall back to `true`. |
 
 ## Console
 
diff --git a/content/zh/reference/environment-variables.md b/content/zh/reference/environment-variables.md
index 70ddd5c5..09d12850 100644
--- a/content/zh/reference/environment-variables.md
+++ b/content/zh/reference/environment-variables.md
@@ -26,6 +26,7 @@ description: "介绍用于配置 RustFS 服务器、控制台、TLS、KMS、可
 | `RUSTFS_HEALTH_READINESS_CACHE_TTL_MS` | `1000` | 就绪探针结果的缓存 TTL，单位为毫秒。 |
 | `RUSTFS_HEALTH_CLUSTER_TIMEOUT_MS` | `2000` | 集群健康探针（`/minio/health/cluster`）的超时时间，单位为毫秒。 |
 | `RUSTFS_STARTUP_READINESS_MAX_WAIT_SECS` | `120` | 就绪探针报告“starting”的最长时间，超过后视为启动失败。 |
+| `RUSTFS_CHECK_UPDATE` | `true` | 启动时向 `version.rustfs.com` 发送一次 HTTPS 请求，检查是否有新版本的 RustFS（请求的 User-Agent 会携带当前版本号）。结果仅记录日志，RustFS 不会自动升级。设置为 `false` 可跳过该出站请求，例如在隔离网络部署中；无法识别的取值会回退为 `true`。 |
 
 ## 控制台