diff --git a/gatsby-theme-code-notes/package.json b/gatsby-theme-code-notes/package.json
index 4e95fda..f53dd02 100644
--- a/gatsby-theme-code-notes/package.json
+++ b/gatsby-theme-code-notes/package.json
@@ -44,7 +44,7 @@
     "@mdx-js/mdx": "^1.6.5",
     "@mdx-js/react": "^1.6.5",
     "@theme-ui/presets": "0.7.3",
-    "@theme-ui/prism": "0.7.3",
+    "@theme-ui/prism": "0.15.4",
     "color-hash": "^2.0.0",
     "copee": "^1.0.6",
     "gatsby-core-utils": "^2.3.0",