diff --git a/examples/ref-browser/package-lock.json b/examples/ref-browser/package-lock.json
index 11fff72..8ebef1d 100644
--- a/examples/ref-browser/package-lock.json
+++ b/examples/ref-browser/package-lock.json
@@ -28,7 +28,7 @@
     },
     "../../reference-lib": {
       "name": "@nginx/reference-lib",
-      "version": "1.1.15",
+      "version": "1.1.21",
       "license": "Apache-2.0",
       "devDependencies": {
         "@rollup/plugin-json": "^6.1.0",
@@ -2518,10 +2518,11 @@
       "dev": true
     },
     "node_modules/js-yaml": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "argparse": "^2.0.1"
       },