diff --git a/www/js/version.json b/www/js/version.json
index e293f2d..a615342 100644
--- a/www/js/version.json
+++ b/www/js/version.json
@@ -1,5 +1,5 @@
 {
-  "VERSION": "v0.7.53",
-  "VERSION_NUMBER": "0.7.53",
-  "BUILD_DATE": "2026-06-27T00:20:37.017Z"
+  "VERSION": "v0.7.54",
+  "VERSION_NUMBER": "0.7.54",
+  "BUILD_DATE": "2026-06-27T01:33:34.109Z"
 }
diff --git a/www/ndk-worker.js b/www/ndk-worker.js
index 46dd34d..39f0e66 100644
--- a/www/ndk-worker.js
+++ b/www/ndk-worker.js
@@ -6449,8 +6449,11 @@ function shortHexPubkey(hex) {
 }
 
 // Cache for discovered relays — rebuilt only when the contact list changes.
+// The version suffix forces a rebuild when the handler code changes (e.g.
+// adding servingNames).
 let discoveredRelaysCache = null;
 let discoveredRelaysCacheKey = '';
+const DISCOVERED_RELAYS_CACHE_VERSION = 'v2-names';
 
 async function handleGetDiscoveredRelays(requestId, port) {
     try {
@@ -6478,7 +6481,7 @@ async function handleGetDiscoveredRelays(requestId, port) {
             ? Array.from(kind3Events).sort((a, b) => (b.created_at || 0) - (a.created_at || 0))[0]
             : null;
         const followedPubkeys = latestKind3 ? extractFollowedPubkeysFromKind3(latestKind3) : [];
-        const cacheKey = `${latestKind3?.id || 'none'}_${latestKind3?.created_at || 0}`;
+        const cacheKey = `${DISCOVERED_RELAYS_CACHE_VERSION}_${latestKind3?.id || 'none'}_${latestKind3?.created_at || 0}`;
 
         // Rebuild the relay→[pubkeys] mapping from follows' kind 10002 events
         // in the Dexie cache if the contact list has changed.