diff --git a/package-lock.json b/package-lock.json
index 7500892..a5dbe34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2331,17 +2331,6 @@
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-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.4.tgz",
-      "integrity": "sha512-Vw26VSLRpJfBofiVaFb/I8PVfdI1OxKcYShe6fm0sP/DtmiWQNCjhM/okTvdCo0G+lMMm1rMYbk4IK4x1X+kgQ==",
-      "optional": true,
-      "requires": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
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       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
@@ -3157,12 +3146,6 @@
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       "dev": true
     },
-    "delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "optional": true
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       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -4775,15 +4758,6 @@
         "slash": "^2.0.0"
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-    "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"
-      }
-    },
     "graceful-fs": {
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       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
@@ -7553,12 +7527,9 @@
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     },
     "prismjs": {
-      "version": "1.18.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.18.0.tgz",
-      "integrity": "sha512-N0r3i/Cto516V8+GKKamhsPVZSFcO0TMUBtIDW6uq6BVqoC3FNtZVZ+cmH16N2XtGQlgRN+sFUTjOdCsEP51qw==",
-      "requires": {
-        "clipboard": "^2.0.0"
-      }
+      "version": "1.24.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.24.0.tgz",
+      "integrity": "sha512-SqV5GRsNqnzCL8k5dfAjCNhUrF3pR0A9lTDSCUZeh/LIshheXJEaP0hwLz2t4XHivd2J/v2HR+gRnigzeKe3cQ=="
     },
     "private": {
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@@ -8141,12 +8112,6 @@
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-    "select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "optional": true
-    },
     "select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -9085,12 +9050,6 @@
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       "dev": true
     },
-    "tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "optional": true
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       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
diff --git a/package.json b/package.json
index 9b719da..a867e31 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "vuepress": "^1.2.0"
   },
   "dependencies": {
-    "prismjs": "^1.18.0",
+    "prismjs": "^1.24.0",
     "vue-prism-editor": "^0.3.0"
   }
 }