diff --git a/src/server/services/connectivityDiagnosticsService.ts b/src/server/services/connectivityDiagnosticsService.ts
index b407771..e8ad9da 100644
--- a/src/server/services/connectivityDiagnosticsService.ts
+++ b/src/server/services/connectivityDiagnosticsService.ts
@@ -282,7 +282,7 @@ function parseNetwork(body: string): Omit<NetworkProbeResult, 'attempts' | 'erro
     const value = record(JSON.parse(body));
     const connection = record(value.connection);
     const address = text(value.ip);
-    if (value.success === false || !address || net.isIP(address) !== 4) return null;
+    if (value.success === false || !address || net.isIP(address) === 0) return null;
     const number = Number(connection.asn);
     return {
       address,
diff --git a/src/shared/versions.ts b/src/shared/versions.ts
index 4d1ef78..f0434fc 100644
--- a/src/shared/versions.ts
+++ b/src/shared/versions.ts
@@ -1,7 +1,7 @@
 export const HARBOR_VERSIONS = Object.freeze({
-  macClient: '0.25.0',
+  macClient: '0.25.1',
   gatewayClient: '0.26.0',
-  gatewayBackend: '0.26.0',
+  gatewayBackend: '0.26.1',
 });
 
 export interface ParsedVersion {
diff --git a/test/server/connectivity-diagnostics.test.js b/test/server/connectivity-diagnostics.test.js
index dcd84b3..78738cb 100644
--- a/test/server/connectivity-diagnostics.test.js
+++ b/test/server/connectivity-diagnostics.test.js
@@ -253,7 +253,7 @@ test('a targeted network row reports provider, ASN and location through both for
     if (route === 'direct' && attempts.direct === 1) return response('{invalid');
     return response(JSON.stringify(route === 'vpn' ? {
       success: true,
-      ip: '203.0.113.20',
+      ip: '2a12:bec4:1bb0:10bb::2',
       city: 'Amsterdam',
       country_code: 'NL',
       connection: { asn: 9009, isp: 'M247 Europe' },
@@ -278,6 +278,7 @@ test('a targeted network row reports provider, ASN and location through both for
     attempts: 3,
     error: null,
   });
+  assert.equal(result.vpn.network.address, '2a12:bec4:1bb0:10bb::2');
   assert.equal(result.vpn.network.asn, 'AS9009');
   assert.equal(result.vpn.network.provider, 'M247 Europe');
   assert.ok(calls.every((args) => args.at(-1) === 'https://ipwho.is/' && args.includes('--ipv4')));