diff --git a/package-lock.json b/package-lock.json
index 6116ac8..e311d67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4407,6 +4407,14 @@
         "safe-buffer": "^5.1.1"
       },
       "dependencies": {
+        "async-eventemitter": {
+          "version": "0.2.4",
+          "resolved": "https://registry.npmjs.org/async-eventemitter/-/async-eventemitter-0.2.4.tgz",
+          "integrity": "sha512-pd20BwL7Yt1zwDFy+8MX8F1+WCT8aQeKj0kQnTrH9WaeRETlRamVhD0JtRPmrV4GfOJ2F9CvdQkZeZhnh2TuHw==",
+          "requires": {
+            "async": "^2.4.0"
+          }
+        },
         "bn.js": {
           "version": "4.11.9",
           "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
@@ -6156,9 +6164,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.18.1",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.1.tgz",
-      "integrity": "sha512-OrVKYz70LHsnCgmbXctv/bfuvntIKDz177h0Co37DQ5jamGZLVmoCVMtjMtNZY3X9DrCcKfklHPNeA0uPZhSJg==",
+      "version": "9.18.5",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.5.tgz",
+      "integrity": "sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==",
       "dev": true
     },
     "highlightjs-solidity": {