diff --git a/package-lock.json b/package-lock.json
index 5e80b31..32c46c8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1067,9 +1067,9 @@
       }
     },
     "highlight.js": {
-      "version": "9.18.1",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.1.tgz",
-      "integrity": "sha512-OrVKYz70LHsnCgmbXctv/bfuvntIKDz177h0Co37DQ5jamGZLVmoCVMtjMtNZY3X9DrCcKfklHPNeA0uPZhSJg=="
+      "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",
@@ -1830,6 +1830,13 @@
       "requires": {
         "highlight.js": "^9.3.0",
         "prop-types": "^15.6.0"
+      },
+      "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 0f60417..4ae873e 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
     "@material-ui/core": "4.9.13",
     "@material-ui/icons": "4.9.1",
     "d3-array": "2.4.0",
-    "highlight.js": "9.18.1",
+    "highlight.js": "10.4.1",
     "react": "16.13.1",
     "react-dom": "16.13.1",
     "react-highlight.js": "1.0.7",