diff --git a/package-lock.json b/package-lock.json
index 9c4472b6..4187a5b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,32 +4,6 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "clipboard": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-1.7.1.tgz",
-      "integrity": "sha1-Ng1taUbpmnof7zleQrqStem1oWs=",
-      "optional": true,
-      "requires": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
-    },
-    "delegate": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.1.3.tgz",
-      "integrity": "sha1-moJRp3fXAl+qVXN7w7BxdCEnqf0=",
-      "optional": true
-    },
-    "good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "optional": true,
-      "requires": {
-        "delegate": "^3.1.2"
-      }
-    },
     "highlight.js": {
       "version": "9.12.0",
       "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.12.0.tgz",
@@ -46,24 +20,9 @@
       "integrity": "sha1-ecOVtOJdTEsSuWh77ufL+iNz4eQ="
     },
     "prismjs": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.6.0.tgz",
-      "integrity": "sha1-EY2V+3pm26InLjQ7NF9SNmWds2U=",
-      "requires": {
-        "clipboard": "^1.5.5"
-      }
-    },
-    "select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "optional": true
-    },
-    "tiny-emitter": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.0.2.tgz",
-      "integrity": "sha512-2NM0auVBGft5tee/OxP4PI3d8WItkDM+fPnaRAVo6xTDI2knbz9eC5ArWGqtGlYqiH3RU5yMpdyTTO7MguC4ow==",
-      "optional": true
+      "version": "1.24.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.24.0.tgz",
+      "integrity": "sha512-SqV5GRsNqnzCL8k5dfAjCNhUrF3pR0A9lTDSCUZeh/LIshheXJEaP0hwLz2t4XHivd2J/v2HR+gRnigzeKe3cQ=="
     },
     "underscore": {
       "version": "1.8.3",
diff --git a/package.json b/package.json
index 5f746f63..a3d6594a 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "highlight.js": "^9.12.0",
     "marked": "^0.7.0",
     "prism-languages": "^0.3.3",
-    "prismjs": "^1.6.0",
+    "prismjs": "^1.24.0",
     "underscore": "^1.8.3"
   }
 }