Update requirements.txt

requirements.txt

@@ -1,13 +1,13 @@
-gradio>=4.0.0
+gradio
 langchain==0.2.16
-langchain-community>=0.2.0
-langchain-core>=0.2.0
-langchain-text-splitters>=0.2.0
-langchain-huggingface>=0.0.3
-langchain-groq>=0.1.0
-sentence-transformers>=2.7.0
-faiss-cpu>=1.7.4
-pypdf>=4.0.0
-pandas>=2.0.0
-python-docx>=1.1.0
-python-dotenv>=1.0.0
+langchain-community==0.2.16
+langchain-core==0.2.38
+langchain-text-splitters==0.2.4
+langchain-huggingface==0.0.3
+langchain-groq==0.1.9
+sentence-transformers==2.7.0
+faiss-cpu
+pypdf
+pandas
+python-docx
+python-dotenv