diff --git a/package-lock.json b/package-lock.json
index 7500892..03b93df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2332,9 +2332,9 @@
       }
     },
     "clipboard": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.4.tgz",
-      "integrity": "sha512-Vw26VSLRpJfBofiVaFb/I8PVfdI1OxKcYShe6fm0sP/DtmiWQNCjhM/okTvdCo0G+lMMm1rMYbk4IK4x1X+kgQ==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
+      "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
       "optional": true,
       "requires": {
         "good-listener": "^1.2.2",
@@ -7553,9 +7553,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.18.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.18.0.tgz",
-      "integrity": "sha512-N0r3i/Cto516V8+GKKamhsPVZSFcO0TMUBtIDW6uq6BVqoC3FNtZVZ+cmH16N2XtGQlgRN+sFUTjOdCsEP51qw==",
+      "version": "1.21.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.21.0.tgz",
+      "integrity": "sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==",
       "requires": {
         "clipboard": "^2.0.0"
       }
diff --git a/package.json b/package.json
index 9b719da..aee0992 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "vuepress": "^1.2.0"
   },
   "dependencies": {
-    "prismjs": "^1.18.0",
+    "prismjs": "^1.21.0",
     "vue-prism-editor": "^0.3.0"
   }
 }