diff --git a/package-lock.json b/package-lock.json
index d3a4e1d..f7531c7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -993,9 +993,9 @@
       }
     },
     "highlight.js": {
-      "version": "9.15.10",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.10.tgz",
-      "integrity": "sha512-RoV7OkQm0T3os3Dd2VHLNMoaoDVx77Wygln3n9l5YV172XonWG6rgQD3XnF/BuFFZw9A0TJgmMSO8FEWQgvcXw=="
+      "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",
@@ -1796,6 +1796,13 @@
       "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 a61b2b9..baffe91 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "element-resize-detector": "^1.2.1",
-    "highlight.js": "9.15.10",
+    "highlight.js": "10.4.1",
     "luxon": "^1.22.0",
     "quill-mention": "^2.2.4",
     "react": "16.9.0",