diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index ad3e0ef..92b7e26 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -8755,9 +8755,9 @@
       }
     },
     "prismjs": {
-      "version": "1.20.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.20.0.tgz",
-      "integrity": "sha512-AEDjSrVNkynnw6A+B1DsFkd6AVdTnp+/WoUixFRULlCLZVRZlVQMVWio/16jv7G1FscUxQxOQhWwApgbnxr6kQ==",
+      "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/frontend/package.json b/frontend/package.json
index 8a70e95..8bd5378 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -11,7 +11,7 @@
     "babel-runtime": "^6.26.0",
     "core-js": "^2.6.5",
     "normalize.css": "^8.0.1",
-    "prismjs": "^1.20.0",
+    "prismjs": "^1.21.0",
     "vue": "^2.6.10",
     "vue-markdown": "^2.2.4",
     "vue-router": "^3.0.3",