diff --git a/package-lock.json b/package-lock.json
index 85bd838..65db23c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -54,7 +54,7 @@
         "eslint-plugin-react-hooks": "^4.6.0",
         "flowchart.js": "^1.12.2",
         "glob": "^7.1.4",
-        "highlight.js": "^9.15.8",
+        "highlight.js": "^10.4.1",
         "ignore-loader": "^0.1.2",
         "imports-loader": "^4.0.1",
         "jquery": "^3.5.0",
@@ -5047,10 +5047,9 @@
       }
     },
     "node_modules/highlight.js": {
-      "version": "9.15.8",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.8.tgz",
-      "integrity": "sha512-RrapkKQWwE+wKdF73VsOa2RQdIoO3mxwJ4P8mhbI6KYJUraUHRKM5w5zQQKXNk0xNL4UVRdulV9SBJcmzJNzVA==",
-      "deprecated": "Version no longer supported. Upgrade to @latest",
+      "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==",
       "dev": true,
       "engines": {
         "node": "*"
@@ -13133,9 +13132,9 @@
       "dev": true
     },
     "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==",
       "dev": true
     },
     "html-minifier": {
@@ -15438,7 +15437,7 @@
     "string": {
       "version": "git+ssh://git@github.com/hackmdio/string.js.git#a68176b3d84ce13e19002eb5d052d599873188b8",
       "integrity": "sha512-mzFXH6pmyVoQPXhTnoeL4iXI43OCPLbghXoGISwtaChcvS3AVx5EUpYGT+x1aVgtAbKkjw5zxlG+OYqpozv/CQ==",
-      "from": "string@git+ssh://git@github.com/hackmdio/string.js.git#a68176b3d"
+      "from": "string@https://github.com/hackmdio/string.js.git#a68176b3d84ce13e19002eb5d052d599873188b8"
     },
     "string_decoder": {
       "version": "1.1.1",
diff --git a/package.json b/package.json
index 2927801..d79e822 100644
--- a/package.json
+++ b/package.json
@@ -246,7 +246,7 @@
     "eslint-plugin-react-hooks": "^4.6.0",
     "flowchart.js": "^1.12.2",
     "glob": "^7.1.4",
-    "highlight.js": "^9.15.8",
+    "highlight.js": "^10.4.1",
     "ignore-loader": "^0.1.2",
     "imports-loader": "^4.0.1",
     "jquery": "^3.5.0",