diff --git a/packages/website/package.json b/packages/website/package.json
index 5f4172f6..e07feb6f 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -16,7 +16,7 @@
     "@docusaurus/preset-classic": "2.0.0-beta.20",
     "@quri/squiggle-components": "^0.2.20",
     "clsx": "^1.1.1",
-    "prism-react-renderer": "^1.2.1",
+    "prism-react-renderer": "^1.3.3",
     "react": "^18.1.0",
     "react-dom": "^18.1.0",
     "remark-math": "^3",
diff --git a/yarn.lock b/yarn.lock
index 92b2d1d2..4b743028 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14007,10 +14007,10 @@ pretty-time@^1.1.0:
   resolved "https://registry.yarnpkg.com/pretty-time/-/pretty-time-1.1.0.tgz#ffb7429afabb8535c346a34e41873adf3d74dd0e"
   integrity sha512-28iF6xPQrP8Oa6uxE6a1biz+lWeTOAPKggvjB8HAs6nVMKZwf5bG++632Dx614hIWgUPkgivRfG+a8uAXGTIbA==
 
-prism-react-renderer@^1.2.1, prism-react-renderer@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/prism-react-renderer/-/prism-react-renderer-1.3.1.tgz#88fc9d0df6bed06ca2b9097421349f8c2f24e30d"
-  integrity sha512-xUeDMEz074d0zc5y6rxiMp/dlC7C+5IDDlaEUlcBOFE2wddz7hz5PNupb087mPwTt7T9BrFmewObfCBuf/LKwQ==
+prism-react-renderer@^1.3.1, prism-react-renderer@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/prism-react-renderer/-/prism-react-renderer-1.3.3.tgz#9b5a4211a6756eee3c96fee9a05733abc0b0805c"
+  integrity sha512-Viur/7tBTCH2HmYzwCHmt2rEFn+rdIWNIINXyg0StiISbDiIhHKhrFuEK8eMkKgvsIYSjgGqy/hNyucHp6FpoQ==
 
 prismjs@^1.21.0, prismjs@^1.28.0:
   version "1.28.0"