diff --git a/.github/workflows/unit-test.yaml b/.github/workflows/unit-test.yaml
index 82b9154da..c94ad1945 100644
--- a/.github/workflows/unit-test.yaml
+++ b/.github/workflows/unit-test.yaml
@@ -89,7 +89,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           cd libs/kotaemon
-          pip install -U --upgrade-strategy eager -e .[dev]
+          pip install -U --upgrade-strategy eager -e .[all]
 
       - name: New dependencies cache for key ${{ steps.restore-dependencies.outputs.cache-primary-key }}
         if: |
diff --git a/libs/kotaemon/kotaemon/indices/ingests/files.py b/libs/kotaemon/kotaemon/indices/ingests/files.py
index 80044afae..ed00e5cb7 100644
--- a/libs/kotaemon/kotaemon/indices/ingests/files.py
+++ b/libs/kotaemon/kotaemon/indices/ingests/files.py
@@ -7,7 +7,6 @@
 from kotaemon.indices.extractors import BaseDocParser
 from kotaemon.indices.splitters import BaseSplitter, TokenSplitter
 from kotaemon.loaders import (
-    AutoReader,
     DirectoryReader,
     MathpixPDFReader,
     OCRReader,
@@ -59,7 +58,7 @@ def _get_reader(self, input_files: list[str | Path]):
             file_extractors[ext] = cls()
 
         if self.pdf_mode == "normal":
-            file_extractors[".pdf"] = AutoReader("UnstructuredReader")  # type: ignore
+            pass  # use default loader of llama-index which is pypdf
         elif self.pdf_mode == "ocr":
             file_extractors[".pdf"] = OCRReader()
         else:
diff --git a/libs/kotaemon/kotaemon/loaders/base.py b/libs/kotaemon/kotaemon/loaders/base.py
index ca27e4915..2e52f7292 100644
--- a/libs/kotaemon/kotaemon/loaders/base.py
+++ b/libs/kotaemon/kotaemon/loaders/base.py
@@ -55,7 +55,7 @@ def _get_wrapped_class(self) -> Type["BaseReader"]:
 
     def _get_wrapped_class(self) -> Type["LIBaseReader"]:
         raise NotImplementedError(
-            "Please return the relevant Langchain class in in _get_lc_class"
+            "Please return the relevant llama-index class in in _get_wrapped_class"
         )
 
     def __init__(self, *args, **kwargs):
diff --git a/libs/kotaemon/kotaemon/loaders/docx_loader.py b/libs/kotaemon/kotaemon/loaders/docx_loader.py
index b8f77b8f6..dcec53984 100644
--- a/libs/kotaemon/kotaemon/loaders/docx_loader.py
+++ b/libs/kotaemon/kotaemon/loaders/docx_loader.py
@@ -33,7 +33,7 @@ def load_data(
         """Load data using Docx reader
 
         Args:
-            file_path (Path): Path to PDF file
+            file_path (Path): Path to .docx file
 
         Returns:
             List[Document]: list of documents extracted from the HTML file
diff --git a/libs/kotaemon/kotaemon/loaders/html_loader.py b/libs/kotaemon/kotaemon/loaders/html_loader.py
index fd0eddd61..1295cfca3 100644
--- a/libs/kotaemon/kotaemon/loaders/html_loader.py
+++ b/libs/kotaemon/kotaemon/loaders/html_loader.py
@@ -37,7 +37,7 @@ def load_data(
         """Load data using Html reader
 
         Args:
-            file_path: path to pdf file
+            file_path: path to HTML file
             extra_info: extra information passed to this reader during extracting data
 
         Returns:
diff --git a/libs/kotaemon/pyproject.toml b/libs/kotaemon/pyproject.toml
index 5abfb98f9..1ba69636f 100644
--- a/libs/kotaemon/pyproject.toml
+++ b/libs/kotaemon/pyproject.toml
@@ -17,6 +17,8 @@ description = "Kotaemon core library for AI development."
 dependencies = [
     "langchain",
     "langchain-community",
+    "langchain-openai",
+    "openai",
     "theflow",
     "llama-index>=0.9.0,<0.10.0",
     "llama-hub",
@@ -27,6 +29,11 @@ dependencies = [
     "pandas",
     "trogon",
     "tenacity",
+    "python-dotenv", # currently used to read configs from file, should be remove in the future
+    "chromadb",
+    "unstructured",
+    "pypdf",
+    "html2text",
 ]
 readme = "README.md"
 license = { text = "MIT License" }
@@ -42,31 +49,28 @@ classifiers = [
 ]
 
 [project.optional-dependencies]
-dev = [
-    "ipython",
-    "pytest",
-    "pre-commit",
-    "black",
-    "flake8",
-    "sphinx",
-    "coverage",
-    "openai",
-    "langchain-openai",
-    "chromadb",
+adv = [
     "wikipedia",
     "duckduckgo-search",
     "googlesearch-python",
     "python-docx",
-    "python-dotenv",
     "pytest-mock",
     "unstructured[pdf]",
     "sentence_transformers",
     "cohere",
     "elasticsearch",
-    "pypdf",
-    "html2text",
     "llama-cpp-python",
 ]
+dev = [
+    "ipython",
+    "pytest",
+    "pre-commit",
+    "black",
+    "flake8",
+    "sphinx",
+    "coverage",
+]
+all = ["kotaemon[adv,dev]"]
 
 [project.scripts]
 kh = "kotaemon.cli:main"
diff --git a/libs/ktem/ktem/index/file/pipelines.py b/libs/ktem/ktem/index/file/pipelines.py
index ff7c89558..d15d2fb49 100644
--- a/libs/ktem/ktem/index/file/pipelines.py
+++ b/libs/ktem/ktem/index/file/pipelines.py
@@ -25,7 +25,7 @@
 from kotaemon.base import RetrievedDocument
 from kotaemon.indices import VectorIndexing, VectorRetrieval
 from kotaemon.indices.ingests import DocumentIngestor
-from kotaemon.indices.rankings import BaseReranking, CohereReranking, LLMReranking
+from kotaemon.indices.rankings import BaseReranking, LLMReranking
 
 from .base import BaseFileIndexIndexing, BaseFileIndexRetriever
 
@@ -67,9 +67,7 @@ class DocumentRetrievalPipeline(BaseFileIndexRetriever):
     vector_retrieval: VectorRetrieval = VectorRetrieval.withx(
         embedding=embeddings.get_default(),
     )
-    reranker: BaseReranking = CohereReranking.withx(
-        cohere_api_key=getattr(settings, "COHERE_API_KEY", "")
-    ) >> LLMReranking.withx(llm=llms.get_lowest_cost())
+    reranker: BaseReranking = LLMReranking.withx(llm=llms.get_lowest_cost())
     get_extra_table: bool = False
 
     def run(
diff --git a/libs/ktem/pyproject.toml b/libs/ktem/pyproject.toml
index c3160f19d..6fee8a043 100644
--- a/libs/ktem/pyproject.toml
+++ b/libs/ktem/pyproject.toml
@@ -13,18 +13,14 @@ version = "0.2.0"
 requires-python = ">= 3.10"
 description = "RAG-based Question and Answering Application"
 dependencies = [
-    "chromadb",
     "click",
-    "cohere",
     "platformdirs",
     "pluggy",
     "python-decouple",
-    "python-dotenv",
     "python-pptx",
     "sqlalchemy",
     "sqlmodel",
     "tiktoken",
-    "unstructured[pdf]",
 ]
 readme = "README.md"
 license = { text = "MIT License" }
diff --git a/scripts/run_linux.sh b/scripts/run_linux.sh
index 7298b87b2..8e2ea056a 100755
--- a/scripts/run_linux.sh
+++ b/scripts/run_linux.sh
@@ -92,7 +92,7 @@ function install_dependencies() {
     if pip list 2>/dev/null | grep -q "kotaemon"; then
         echo "Requirements are already installed"
     else
-        local kotaemon_root="$(pwd)/libs/kotaemon/.[dev]"
+        local kotaemon_root="$(pwd)/libs/kotaemon"
         local ktem_root="$(pwd)/libs/ktem/"
 
         echo "" && echo "Install kotaemon's requirements"
diff --git a/scripts/run_macos.sh b/scripts/run_macos.sh
index 6ad9901d0..de71f75f4 100755
--- a/scripts/run_macos.sh
+++ b/scripts/run_macos.sh
@@ -92,7 +92,7 @@ function install_dependencies() {
     if pip list 2>/dev/null | grep -q "kotaemon"; then
         echo "Requirements are already installed"
     else
-        local kotaemon_root="$(pwd)/libs/kotaemon/.[dev]"
+        local kotaemon_root="$(pwd)/libs/kotaemon"
         local ktem_root="$(pwd)/libs/ktem/"
 
         echo "" && echo "Install kotaemon's requirements"
diff --git a/scripts/run_windows.bat b/scripts/run_windows.bat
index 4e5db8621..e365686a3 100644
--- a/scripts/run_windows.bat
+++ b/scripts/run_windows.bat
@@ -114,7 +114,7 @@ IF %ERRORLEVEL% == 0  (
     ECHO Dependencies are already installed
 ) ELSE (
     ECHO Install kotaemon's requirements
-    CALL python -m pip install -e "%CD%\libs\kotaemon\.[dev]"
+    CALL python -m pip install -e "%CD%\libs\kotaemon"
 
     ECHO Install ktem's requirements
     CALL python -m pip install -e "%CD%\libs\ktem"