diff --git a/setup.py b/setup.py
index e43bf3ed0..1d4301113 100644
--- a/setup.py
+++ b/setup.py
@@ -40,6 +40,9 @@ extras_require = {
         "llama-index-vector-stores-faiss==0.1.1",
         "llama-index-vector-stores-elasticsearch==0.1.6",
         "llama-index-vector-stores-chroma==0.1.6",
+        "llama-index-postprocessor-cohere-rerank==0.1.4",
+        "llama-index-postprocessor-colbert-rerank==0.1.1",
+        "llama-index-postprocessor-flag-embedding-reranker==0.1.2",
         "docx2txt==0.8",
     ],
     "android_assistant": ["pyshine==0.0.9", "opencv-python==4.6.0.66"],