diff --git a/token-swap/js/package-lock.json b/token-swap/js/package-lock.json
index d6aa13a1..c87f23bb 100644
--- a/token-swap/js/package-lock.json
+++ b/token-swap/js/package-lock.json
@@ -7902,9 +7902,9 @@
       }
     },
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-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.40.0.tgz",
-      "integrity": "sha512-WiOGAPbXoHu+TOz6hyYUxIksOwsY/21TRWoO593jgYt8mvYafYqQl+axaA8y1z2HFazNUUrsMSjahV2A6/2R9A==",
+      "version": "2.50.5",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.50.5.tgz",
+      "integrity": "sha512-Ztz4NurU2LbS3Jn5rlhnYv35z6pkjBUmYKr94fOBIKINKRO6kug9NTFHArT7jqwMP2kqEZ39jJuEtkk91NBltQ==",
       "dev": true,
       "requires": {
         "fsevents": "~2.3.1"