diff --git a/package-lock.json b/package-lock.json
index 6f10bdc..a9d6fba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23614,9 +23614,9 @@
       "dev": true
     },
     "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==",
       "dev": true,
       "requires": {
         "clipboard": "^2.0.0"
diff --git a/package.json b/package.json
index 24dd7e4..580c6a6 100644
--- a/package.json
+++ b/package.json
@@ -120,7 +120,7 @@
     "node-sass-tilde-importer": "^1.0.2",
     "package-lock-sanitizer": "^1.0.1",
     "postcss-cli": "^6.1.1",
-    "prismjs": "^1.20.0",
+    "prismjs": "^1.21.0",
     "protractor": "^5.4.4",
     "raw-loader": "^0.5.1",
     "renamer": "^1.1.4",