diff --git a/package-lock.json b/package-lock.json
index 7a59b20..19eab53 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3513,9 +3513,9 @@
       }
     },
     "highlight.js": {
-      "version": "9.15.8",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.8.tgz",
-      "integrity": "sha512-RrapkKQWwE+wKdF73VsOa2RQdIoO3mxwJ4P8mhbI6KYJUraUHRKM5w5zQQKXNk0xNL4UVRdulV9SBJcmzJNzVA=="
+      "version": "10.4.1",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.4.1.tgz",
+      "integrity": "sha512-yR5lWvNz7c85OhVAEAeFhVCc/GV4C30Fjzc/rCP0aCWzc1UUOPUk55dK/qdwTZHBvMZo+eZ2jpk62ndX/xMFlg=="
     },
     "hmac-drbg": {
       "version": "1.0.1",
@@ -5327,6 +5327,13 @@
       "integrity": "sha512-j04EWbYOFM0PryhF5Vvl0FDa/dD3M6q0Sl+nFN9kTvWQ9hFkfISNNs85+ssL4TSkDM+4pQTpMdxlDRi8yfIxjw==",
       "requires": {
         "highlight.js": "^9.11.0"
+      },
+      "dependencies": {
+        "highlight.js": {
+          "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=="
+        }
       }
     },
     "react-is": {
diff --git a/package.json b/package.json
index da0de87..02b5d93 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
         "@zeit/next-css": "^1.0.1",
         "@zeit/next-sass": "^1.0.1",
         "bootstrap": "^4.3.1",
-        "highlight.js": "^9.15.8",
+        "highlight.js": "^10.4.1",
         "lodash": "^4.17.13",
         "mailchimp-api-v3": "^1.13.0",
         "marked": "^0.6.2",