diff --git a/testapps/chat/package-lock.json b/testapps/chat/package-lock.json
index 4c177007dc..fb169aa565 100644
--- a/testapps/chat/package-lock.json
+++ b/testapps/chat/package-lock.json
@@ -6033,9 +6033,9 @@
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     },
     "node_modules/diff": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
-      "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.1.tgz",
+      "integrity": "sha512-Z3u54A8qGyqFOSr2pk0ijYs8mOE9Qz8kTvtKeBI+upoG9j04Sq+oI7W8zAJiQybDcESET8/uIdHzs0p3k4fZlw==",
       "engines": {
         "node": ">=0.3.1"
       }
@@ -26123,9 +26123,9 @@
       }
     },
     "diff": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
-      "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA=="
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.1.tgz",
+      "integrity": "sha512-Z3u54A8qGyqFOSr2pk0ijYs8mOE9Qz8kTvtKeBI+upoG9j04Sq+oI7W8zAJiQybDcESET8/uIdHzs0p3k4fZlw=="
     },
     "diffie-hellman": {
       "version": "5.0.3",