diff --git a/podcastfy/text_to_speech.py b/podcastfy/text_to_speech.py
index 347baf1..87639fb 100644
--- a/podcastfy/text_to_speech.py
+++ b/podcastfy/text_to_speech.py
@@ -134,7 +134,7 @@ def _generate_audio_segments(self, text: str, temp_dir: str) -> List[str]:
             for speaker_type, content in [("question", question), ("answer", answer)]:
                 temp_file = os.path.join(
                     temp_dir, f"{idx}_{speaker_type}.{self.audio_format}"
-                ).replace('\\', '/')  # Normalize path separators for cross-platform compatibility
+                )
                 voice = provider_config.get("default_voices", {}).get(speaker_type)
                 model = provider_config.get("model")
 
@@ -193,7 +193,9 @@ def get_sort_key(file_path: str) -> Tuple[int, int]:
     def _setup_directories(self) -> None:
         """Setup required directories for audio processing."""
         self.output_directories = self.tts_config.get("output_directories", {})
-        self.temp_audio_dir = self.tts_config.get("temp_audio_dir")
+        temp_dir = self.tts_config.get("temp_audio_dir", "data/audio/tmp/").rstrip("/").split("/")
+        self.temp_audio_dir = os.path.join(*temp_dir)
+        os.makedirs(self.temp_audio_dir, exist_ok=True)
 
         # Create directories if they don't exist
         for dir_path in [
diff --git a/pyproject.toml b/pyproject.toml
index 70b5db5..0918914 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "podcastfy"
-version = "0.3.3"
+version = "0.3.4"
 description = "An Open Source alternative to NotebookLM's podcast feature: Transforming Multimodal Content into Captivating Multilingual Audio Conversations with GenAI"
 authors = ["Tharsis T. P. Souza"]
 license = "Apache-2.0"
@@ -39,7 +39,6 @@ sphinx-rtd-theme = "^3.0.1"
 sphinx-autodoc-typehints = "^2.5.0"
 nbsphinx = "^0.9.5"
 edge-tts = "^6.1.12"
-langchain-community = "^0.3.2"
 types-pyyaml = "^6.0.12.20240917"
 nest-asyncio = "^1.6.0"
 ffmpeg = "^1.4"
@@ -47,6 +46,7 @@ pytest = "^8.3.3"
 pytest-xdist = "^3.6.1"
 google-cloud-texttospeech = "^2.21.0"
 litellm = "^1.52.0"
+langchain-community = "^0.3.5"
 
 
 [tool.poetry.group.dev.dependencies]