diff --git a/src/docs/package.json b/src/docs/package.json
index 81f6264f..2182a56d 100644
--- a/src/docs/package.json
+++ b/src/docs/package.json
@@ -53,7 +53,7 @@
 		"netlify-identity-widget": "1.5.4",
 		"node-sass": "4.13.0",
 		"nothing": "0.1.0",
-		"prismjs": "1.17.1",
+		"prismjs": "1.21.0",
 		"react": "16.8.6",
 		"react-dom": "16.8.6",
 		"react-helmet": "5.2.1",
diff --git a/src/docs/yarn.lock b/src/docs/yarn.lock
index d3161573..a9349e25 100644
--- a/src/docs/yarn.lock
+++ b/src/docs/yarn.lock
@@ -9237,10 +9237,10 @@ pretty-error@^2.1.1:
     renderkid "^2.0.1"
     utila "~0.4"
 
-prismjs@1.17.1:
-  version "1.17.1"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.17.1.tgz#e669fcbd4cdd873c35102881c33b14d0d68519be"
-  integrity sha512-PrEDJAFdUGbOP6xK/UsfkC5ghJsPJviKgnQOoxaDbBjwc8op68Quupwt1DeAFoG8GImPhiKXAvvsH7wDSLsu1Q==
+prismjs@1.21.0:
+  version "1.21.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
+  integrity sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==
   optionalDependencies:
     clipboard "^2.0.0"