diff --git a/e2e-tests/mdx/package.json b/e2e-tests/mdx/package.json
index a7fdab15dd663..fa78970577874 100644
--- a/e2e-tests/mdx/package.json
+++ b/e2e-tests/mdx/package.json
@@ -16,7 +16,7 @@
     "gatsby-source-filesystem": "next",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "theme-ui": "^0.3.1"
+    "theme-ui": "^0.17.0"
   },
   "keywords": [
     "gatsby"