diff --git a/package.json b/package.json
index 110d8a9..e11dd42 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "gatsby-transformer-sharp": "^4.7.0",
     "kokoro-player": "^1.0.1",
     "pre-commit": "^1.2.2",
-    "prismjs": "^1.16.0",
+    "prismjs": "^1.27.0",
     "prop-types": "^15.7.2",
     "react": "^17.0.1",
     "react-dom": "^17.0.1",
diff --git a/yarn.lock b/yarn.lock
index ed6f6a7..ff041d9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1858,9 +1858,9 @@
     "@jridgewell/resolve-uri" "^3.0.3"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
-"@mdx-js/mdx@v1":
+"@mdx-js/mdx@^1.6.22":
   version "1.6.22"
-  resolved "https://registry.npmjs.org/@mdx-js/mdx/-/mdx-1.6.22.tgz#8a723157bf90e78f17dc0f27995398e6c731f1ba"
+  resolved "https://registry.yarnpkg.com/@mdx-js/mdx/-/mdx-1.6.22.tgz#8a723157bf90e78f17dc0f27995398e6c731f1ba"
   integrity sha512-AMxuLxPz2j5/6TpF/XSdKpQP1NlG0z11dFOlq+2IP/lSgl11GY8ji6S/rgsViN/L0BDvHvUMruRb7ub+24LUYA==
   dependencies:
     "@babel/core" "7.12.9"
@@ -1883,9 +1883,9 @@
     unist-builder "2.0.3"
     unist-util-visit "2.0.3"
 
-"@mdx-js/react@v1":
+"@mdx-js/react@^1.6.22":
   version "1.6.22"
-  resolved "https://registry.npmjs.org/@mdx-js/react/-/react-1.6.22.tgz#ae09b4744fddc74714ee9f9d6f17a66e77c43573"
+  resolved "https://registry.yarnpkg.com/@mdx-js/react/-/react-1.6.22.tgz#ae09b4744fddc74714ee9f9d6f17a66e77c43573"
   integrity sha512-TDoPum4SHdfPiGSAaRBw7ECyI8VaHpK8GJugbJIJuqyh6kzw9ZLJZW3HGL3NNrJGxcAixUvqROm+YuQOo5eXtg==
 
 "@mdx-js/tag@^0.20.3":
@@ -11691,10 +11691,10 @@ pretty-hrtime@^1.0.0:
   resolved "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
   integrity sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=
 
-prismjs@^1.16.0:
-  version "1.26.0"
-  resolved "https://registry.npmjs.org/prismjs/-/prismjs-1.26.0.tgz#16881b594828bb6b45296083a8cbab46b0accd47"
-  integrity sha512-HUoH9C5Z3jKkl3UunCyiD5jwk0+Hz0fIgQ2nbwU2Oo/ceuTAQAg+pPVnfdt2TJWRVLcxKh9iuoYDUSc8clb5UQ==
+prismjs@^1.27.0:
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
+  integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
 
 probe-image-size@^6.0.0:
   version "6.0.0"