diff --git a/package-lock.json b/package-lock.json
index af87ed414..25e18f850 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25274,9 +25274,9 @@
       "integrity": "sha512-MgMhSdHuHymNRqD6KM3eGS0PNqgK9q4QF5P0yoQQvpB6jNjeSAi3jcSAz0Sua/t9fa4xDOMar9HJbLa08gl9ug=="
     },
     "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/package.json b/package.json
index a19720814..b8cfcf191 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "js-cookie": "^2.2.1",
     "node-sass": "^4.14.1",
     "prism-react-renderer": "^1.1.1",
-    "prismjs": "^1.20.0",
+    "prismjs": "^1.21.0",
     "prop-types": "^15.7.2",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",