diff --git a/token-swap/js/package-lock.json b/token-swap/js/package-lock.json
index d6aa13a1..ac9384b8 100644
--- a/token-swap/js/package-lock.json
+++ b/token-swap/js/package-lock.json
@@ -7902,9 +7902,9 @@
       }
     },
     "rollup": {
-      "version": "2.40.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.40.0.tgz",
-      "integrity": "sha512-WiOGAPbXoHu+TOz6hyYUxIksOwsY/21TRWoO593jgYt8mvYafYqQl+axaA8y1z2HFazNUUrsMSjahV2A6/2R9A==",
+      "version": "2.50.1",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.50.1.tgz",
+      "integrity": "sha512-3MQhSdGpms4xjYrtR3WNHMT+VrWWM4oqUxUC770MmLo1FWFR2pr/OL81HSPC/ifmiu0uMFk0qPGLmjkSMRIESw==",
       "dev": true,
       "requires": {
         "fsevents": "~2.3.1"