diff --git a/CHANGELOG.md b/CHANGELOG.md
index c990f831..dd57b295 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,10 @@ See also the [v0.107.70 GitHub milestone][ms-v0.107.70].
 NOTE: Add new changes BELOW THIS COMMENT.
 -->
 
+### Added
+
+- New field `"start_time"` in the `GET /control/status` response.
+
 <!--
 NOTE: Add new changes ABOVE THIS COMMENT.
 -->
diff --git a/client/src/actions/index.tsx b/client/src/actions/index.tsx
index d122e215..76c38e72 100644
--- a/client/src/actions/index.tsx
+++ b/client/src/actions/index.tsx
@@ -222,7 +222,7 @@ const checkStatus = async (handleRequestSuccess: any, handleRequestError: any, a
 };
 
 export const getUpdate = () => async (dispatch: any, getState: any) => {
-    const { dnsVersion } = getState().dashboard;
+    const { dnsVersion, dnsStartTime } = getState().dashboard;
 
     dispatch(getUpdateRequest());
     const handleRequestError = () => {
@@ -238,8 +238,9 @@ export const getUpdate = () => async (dispatch: any, getState: any) => {
 
     const handleRequestSuccess = (response: any) => {
         const responseVersion = response.data?.version;
+        const responseStartTime = response.data?.start_time;
 
-        if (dnsVersion !== responseVersion) {
+        if (dnsVersion !== responseVersion || dnsStartTime !== responseStartTime) {
             dispatch(getUpdateSuccess());
 
             window.location.reload();
diff --git a/client/src/initialState.ts b/client/src/initialState.ts
index 57993666..cd506156 100644
--- a/client/src/initialState.ts
+++ b/client/src/initialState.ts
@@ -128,6 +128,7 @@ export type DashboardData = {
     dnsPort: number;
     dnsAddresses: string[];
     dnsVersion: string;
+    dnsStartTime: number | null;
     clients: Client[];
     autoClients: AutoClient[];
     supportedTags: string[];
@@ -445,6 +446,7 @@ export const initialState: RootState = {
         dnsPort: STANDARD_DNS_PORT,
         dnsAddresses: [],
         dnsVersion: '',
+        dnsStartTime: null,
         clients: [],
         autoClients: [],
         supportedTags: [],
diff --git a/client/src/reducers/dashboard.ts b/client/src/reducers/dashboard.ts
index 91f2b262..b745f5f4 100644
--- a/client/src/reducers/dashboard.ts
+++ b/client/src/reducers/dashboard.ts
@@ -21,6 +21,7 @@ const dashboard = handleActions(
         [actions.dnsStatusSuccess.toString()]: (state: any, { payload }: any) => {
             const {
                 version,
+                start_time: dnsStartTime,
                 dns_port: dnsPort,
                 dns_addresses: dnsAddresses,
                 protection_enabled: protectionEnabled,
@@ -33,6 +34,7 @@ const dashboard = handleActions(
                 isCoreRunning: true,
                 processing: false,
                 dnsVersion: version,
+                dnsStartTime,
                 dnsPort,
                 dnsAddresses,
                 protectionEnabled,
@@ -183,6 +185,7 @@ const dashboard = handleActions(
         dnsPort: STANDARD_DNS_PORT,
         dnsAddresses: [],
         dnsVersion: '',
+        dnsStartTime: null,
         clients: [],
         autoClients: [],
         supportedTags: [],
diff --git a/internal/home/control.go b/internal/home/control.go
index ecdb8ba3..b60a7cf4 100644
--- a/internal/home/control.go
+++ b/internal/home/control.go
@@ -107,6 +107,9 @@ type statusResponse struct {
 	// milliseconds.
 	ProtectionDisabledDuration int64 `json:"protection_disabled_duration"`
 
+	// StartTime is the start time of the web API server in Unix milliseconds.
+	StartTime aghhttp.JSONTime `json:"start_time"`
+
 	ProtectionEnabled bool `json:"protection_enabled"`
 	// TODO(e.burkov): Inspect if front-end doesn't requires this field as
 	// openapi.yaml declares.
@@ -158,6 +161,7 @@ func (web *webAPI) handleStatus(w http.ResponseWriter, r *http.Request) {
 			DNSPort:                    config.DNS.Port,
 			HTTPPort:                   config.HTTPConfig.Address.Port(),
 			ProtectionDisabledDuration: protectionDisabledDuration,
+			StartTime:                  aghhttp.JSONTime(web.startTime),
 			ProtectionEnabled:          protEnabled,
 			IsRunning:                  isRunning(),
 		}
diff --git a/internal/home/web.go b/internal/home/web.go
index 70e816bf..13761901 100644
--- a/internal/home/web.go
+++ b/internal/home/web.go
@@ -158,6 +158,9 @@ type webAPI struct {
 	// httpsServer is the server that handles HTTPS traffic.  If it is not nil,
 	// [Web.http3Server] must also not be nil.
 	httpsServer httpsServer
+
+	// startTime is the start time of the web API server in Unix milliseconds.
+	startTime time.Time
 }
 
 // newWebAPI creates a new instance of the web UI and API server.  conf must be
@@ -176,6 +179,7 @@ func newWebAPI(ctx context.Context, conf *webConfig) (w *webAPI) {
 		baseLogger:   conf.baseLogger,
 		tlsManager:   conf.tlsManager,
 		auth:         conf.auth,
+		startTime:    time.Now(),
 	}
 
 	clientFS := http.FileServer(http.FS(conf.clientFS))
diff --git a/openapi/CHANGELOG.md b/openapi/CHANGELOG.md
index 16563a50..75cefc9d 100644
--- a/openapi/CHANGELOG.md
+++ b/openapi/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 <!-- TODO(a.garipov): Reformat in accordance with the KeepAChangelog spec. -->
 
+## v0.107.70: API changes
+
+### New `"start_time"` field in 'GET /control/status'
+
+- New field `"start_time"` indicates the start time of the web API server (Unix time in milliseconds).
+
 ## v0.107.68: API changes
 
 ### New HTTP APIs 'GET /control/rewrite/settings' and 'PUT /control/rewrite/settings/update'
diff --git a/openapi/openapi.yaml b/openapi/openapi.yaml
index a5df03c2..bef4c97b 100644
--- a/openapi/openapi.yaml
+++ b/openapi/openapi.yaml
@@ -1500,6 +1500,11 @@
         'language':
           'type': 'string'
           'example': 'en'
+        'start_time':
+          'type': 'number'
+          'format': 'double'
+          'example': 1700000000000
+          'description': 'Start time of the web API server (Unix time in milliseconds).'
     'DNSConfig':
       'type': 'object'
       'description': 'DNS server configuration'