diff --git a/package-lock.json b/package-lock.json
index a8bc46b..825200f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3894,9 +3894,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.15.6",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.6.tgz",
-      "integrity": "sha512-zozTAWM1D6sozHo8kqhfYgsac+B+q0PmsjXeyDrYIHHcBN0zTVT66+s2GW1GZv7DbyaROdLXKdabwS/WqPyIdQ==",
+      "version": "10.1.2",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.1.2.tgz",
+      "integrity": "sha512-Q39v/Mn5mfBlMff9r+zzA+gWxRsCRKwEMvYTiisLr/XUiFI/4puWt0Ojdko3R3JCNWGdOWaA5g/Yxqa23kC5AA==",
       "dev": true
     },
     "hmac-drbg": {
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index ac3a6b2..3047cb3
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "pako": "^1.0.10"
   },
   "devDependencies": {
-    "highlight.js": "^9.15.6",
+    "highlight.js": "^10.1.2",
     "html-webpack-plugin": "^3.2.0",
     "nearley": "^2.16.0",
     "node-blockly": "^1.0.36",