diff --git a/scripts/build-plugins/service-worker.js b/scripts/build-plugins/service-worker.js
index 805f6000..85619545 100644
--- a/scripts/build-plugins/service-worker.js
+++ b/scripts/build-plugins/service-worker.js
@@ -8,7 +8,7 @@ function contentHash(str) {
     return hasher.digest();
 }
 
-function injectServiceWorker(swFile, otherUnhashedFiles, placeholdersPerChunk) {
+function injectServiceWorker(swFile, findUnhashedFileNamesFromBundle, placeholdersPerChunk) {
     const swName = path.basename(swFile);
     let root;
     let version;
@@ -31,6 +31,7 @@ function injectServiceWorker(swFile, otherUnhashedFiles, placeholdersPerChunk) {
             logger = config.logger;
         },
         generateBundle: async function(options, bundle) {
+            const otherUnhashedFiles = findUnhashedFileNamesFromBundle(bundle);
             const unhashedFilenames = [swName].concat(otherUnhashedFiles);
             const unhashedFileContentMap = unhashedFilenames.reduce((map, fileName) => {
                 const chunkOrAsset = bundle[fileName];
diff --git a/vite.config.js b/vite.config.js
index 362f8f81..53a7f452 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -37,7 +37,7 @@ export default defineConfig(({mode}) => {
             // important this comes before service worker
             // otherwise the manifest and the icons it refers to won't be cached
             injectWebManifest("assets/manifest.json"),
-            injectServiceWorker("./src/platform/web/sw.js", ["index.html", "assets/config.json", "assets/theme-element.json"], {
+            injectServiceWorker("./src/platform/web/sw.js", findUnhashedFileNamesFromBundle, {
                 // placeholders to replace at end of build by chunk name
                 index: {
                     DEFINE_GLOBAL_HASH: definePlaceholders.DEFINE_GLOBAL_HASH,
@@ -48,3 +48,16 @@ export default defineConfig(({mode}) => {
         define: definePlaceholders,
     });
 });
+
+function findUnhashedFileNamesFromBundle(bundle) {
+    const names = ["index.html"];
+    for (const fileName of Object.keys(bundle)) {
+        if (fileName.includes("config.json")) {
+            names.push(fileName);
+        }
+        if (/theme-.+\.json/.test(fileName)) {
+            names.push(fileName);
+        }
+    }
+    return names;
+}