diff --git a/packages/jupyter-ai/package.json b/packages/jupyter-ai/package.json
index 2506b4181..344878391 100644
--- a/packages/jupyter-ai/package.json
+++ b/packages/jupyter-ai/package.json
@@ -87,7 +87,6 @@
     "@jupyterlab/testutils": "^4",
     "@types/jest": "^29",
     "@types/react-dom": "^18.2.18",
-    "@types/react-syntax-highlighter": "^15.5.6",
     "@typescript-eslint/eslint-plugin": "^4.8.1",
     "@typescript-eslint/parser": "^4.8.1",
     "eslint": "^7.14.0",