diff --git a/packages/gatsby-theme-docs/package.json b/packages/gatsby-theme-docs/package.json
index 33a5716017..41629ddc26 100644
--- a/packages/gatsby-theme-docs/package.json
+++ b/packages/gatsby-theme-docs/package.json
@@ -115,7 +115,7 @@
     "@testing-library/react": "14.1.2",
     "@types/gtag.js": "^0.0.18",
     "@types/react": "18.2.45",
-    "cosmiconfig": "^8.0.0",
+    "cosmiconfig": "^9.0.0",
     "gatsby": "5.12.12",
     "gatsby-cli": "5.12.4",
     "react": "18.2.0",