diff --git a/package-lock.json b/package-lock.json
index c03b381..e80c2ba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -46,7 +46,7 @@
         "gatsby-transformer-remark": "^2.3.7",
         "gitalk": "^1.5.3",
         "han-css": "^3.3.0",
-        "highlight.js": "^9.12.0",
+        "highlight.js": "^11.0.0",
         "lozad": "^1.6.0",
         "md5": "^2.2.1",
         "node-sass": "^4.9.3",
@@ -15116,12 +15116,11 @@
       "integrity": "sha512-BXUKIkUuh6cmmxzi5OIbUJxrG8OAk2MqoL1DtO3Wo9D2faJg2ph5ntyuQeLqaHJmzER6H5tllCDA9ZnNe9BVGg=="
     },
     "node_modules/highlight.js": {
-      "version": "9.18.3",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.3.tgz",
-      "integrity": "sha512-zBZAmhSupHIl5sITeMqIJnYCDfAEc3Gdkqj65wC1lpI468MMQeeQkhcIAvk+RylAkxrCcI9xy9piHiXeQ1BdzQ==",
-      "deprecated": "Version no longer supported. Upgrade to @latest",
+      "version": "11.5.1",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.5.1.tgz",
+      "integrity": "sha512-LKzHqnxr4CrD2YsNoIf/o5nJ09j4yi/GcH5BnYz9UnVpZdS4ucMgvP61TDty5xJcFGRjnH4DpujkS9bHT3hq0Q==",
       "engines": {
-        "node": "*"
+        "node": ">=12.0.0"
       }
     },
     "node_modules/hmac-drbg": {
@@ -43069,9 +43068,9 @@
       "integrity": "sha512-BXUKIkUuh6cmmxzi5OIbUJxrG8OAk2MqoL1DtO3Wo9D2faJg2ph5ntyuQeLqaHJmzER6H5tllCDA9ZnNe9BVGg=="
     },
     "highlight.js": {
-      "version": "9.18.3",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.3.tgz",
-      "integrity": "sha512-zBZAmhSupHIl5sITeMqIJnYCDfAEc3Gdkqj65wC1lpI468MMQeeQkhcIAvk+RylAkxrCcI9xy9piHiXeQ1BdzQ=="
+      "version": "11.5.1",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.5.1.tgz",
+      "integrity": "sha512-LKzHqnxr4CrD2YsNoIf/o5nJ09j4yi/GcH5BnYz9UnVpZdS4ucMgvP61TDty5xJcFGRjnH4DpujkS9bHT3hq0Q=="
     },
     "hmac-drbg": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index bcc8e2c..ecda513 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "gatsby-transformer-remark": "^2.3.7",
     "gitalk": "^1.5.3",
     "han-css": "^3.3.0",
-    "highlight.js": "^9.12.0",
+    "highlight.js": "^11.0.0",
     "lozad": "^1.6.0",
     "md5": "^2.2.1",
     "node-sass": "^4.9.3",