diff --git a/package-lock.json b/package-lock.json
index 442edda..4ad4aa9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9914,9 +9914,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.19.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.19.0.tgz",
-      "integrity": "sha512-IVFtbW9mCWm9eOIaEkNyo2Vl4NnEifis2GQ7/MLRG5TQe6t+4Sj9J5QWI9i3v+SS43uZBlCAOn+zYTVYQcPXJw==",
+      "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 d7d26b4..c3a2817 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "axios": "^0.19.2",
     "core-js": "^3.4.4",
-    "prismjs": "^1.19.0",
+    "prismjs": "^1.21.0",
     "screenfull": "^5.0.2",
     "vue": "^2.6.10",
     "vue-clipboard2": "^0.3.1",