diff --git a/docs/examples/node_postprocessor/ColbertRerank.ipynb b/docs/examples/node_postprocessor/ColbertRerank.ipynb
index ef067ae7f151a3dbb3bc5fa9b341a9f377c8aa26..11c346a42c2e721f8d15e3612e3ba6b4b00b3bf4 100644
--- a/docs/examples/node_postprocessor/ColbertRerank.ipynb
+++ b/docs/examples/node_postprocessor/ColbertRerank.ipynb
@@ -109,6 +109,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "from llama_index.postprocessor.colbert_rerank import ColbertRerank\n",
+    "\n",
     "colbert_reranker = ColbertRerank(\n",
     "    top_n=5,\n",
     "    model=\"colbert-ir/colbertv2.0\",\n",