diff --git a/sandbox/chat-notification-pubnub-example/facade/package-lock.json b/sandbox/chat-notification-pubnub-example/facade/package-lock.json
index 499c0fa874..1639d7a34c 100644
--- a/sandbox/chat-notification-pubnub-example/facade/package-lock.json
+++ b/sandbox/chat-notification-pubnub-example/facade/package-lock.json
@@ -1357,9 +1357,9 @@
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     },
     "node_modules/@sourceloop/core": {
-      "version": "20.0.5",
-      "resolved": "https://registry.npmjs.org/@sourceloop/core/-/core-20.0.5.tgz",
-      "integrity": "sha512-5+aWV2Kcx5KX+hEUZZ7D9HutBUlN4s0CHr7ZGMpwN/TD5nEep3WlozBJ0GpmQXEB7w7AyuJ8c0aWPJCdSMQuTg==",
+      "version": "20.0.6",
+      "resolved": "https://registry.npmjs.org/@sourceloop/core/-/core-20.0.6.tgz",
+      "integrity": "sha512-fgFAg1dEerOXt3wY3SVzYdyRDMCCuHOSmYT7mwAGhyltha6ARidQMSG8Z6BCY77/OHNxRNGwevIuDg1H77WTjw==",
       "license": "MIT",
       "dependencies": {
         "@loopback/boot": "^8.0.4",
@@ -1381,7 +1381,7 @@
         "loopback4-authorization": "^8.0.0",
         "loopback4-dynamic-datasource": "^3.0.0",
         "loopback4-helmet": "^8.0.0",
-        "loopback4-ratelimiter": "^8.0.0",
+        "loopback4-ratelimiter": "^8.1.0",
         "loopback4-soft-delete": "^11.0.0",
         "moment": "^2.29.4",
         "moment-timezone": "^0.5.34",
@@ -4446,9 +4446,9 @@
       }
     },
     "node_modules/flatted": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.3.3.tgz",
-      "integrity": "sha512-GX+ysw4PBCz0PzosHDepZGANEuFCMLrnRTiEy9McGjmkCQYwRq4A/X786G/fjM/+OjsWSU1ZrY5qyARZmO/uwg==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-3.4.2.tgz",
+      "integrity": "sha512-PjDse7RzhcPkIJwy5t7KPWQSZ9cAbzQXcafsetQoD7sOJRQlGikNbx7yZp2OotDnJyrDcbyRq3Ttb18iYOqkxA==",
       "dev": true,
       "license": "ISC"
     },
@@ -6827,9 +6827,9 @@
       }
     },
     "node_modules/loopback4-ratelimiter": {
-      "version": "8.0.0",
-      "resolved": "https://registry.npmjs.org/loopback4-ratelimiter/-/loopback4-ratelimiter-8.0.0.tgz",
-      "integrity": "sha512-n8NmtDsMVa413MmpRKx2P/j/z9FajdcnrjR/8nEELa/4trZoqLBzDYBy1dukNnk5W7/wcSBaNq1+EACWflKrnA==",
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/loopback4-ratelimiter/-/loopback4-ratelimiter-8.1.0.tgz",
+      "integrity": "sha512-oDVr4YRSfDvIerHDU1qNHkz7PpMcr+mHhRGGpuF+WQP2/cnEqeo4c+I9XlvgxcrHaMGJip4oZSsEOf9oKdCkEQ==",
       "license": "MIT",
       "dependencies": {
         "@loopback/boot": "^8.0.4",
@@ -11475,4 +11475,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}