Update requirements.txt

requirements.txt

@@ -1,12 +1,14 @@
-streamlit==1.35.0
-langchain==0.1.14
-langchain-community==0.0.28
-faiss-cpu==1.8.0
-openai==1.30.1
-gtts==2.5.1
-python-dotenv==1.0.1
-sentence-transformers==2.7.0
-unstructured==0.12.5
-pymupdf==1.23.25
-docx2txt==0.8
-Pillow==10.3.0
+streamlit>=1.35.0
+langchain>=0.1.14
+langchain-community>=0.0.28
+faiss-cpu>=1.8.0
+openai>=1.30.1
+gtts>=2.5.1
+python-dotenv>=1.0.1
+sentence-transformers>=2.7.0
+unstructured>=0.12.5
+pymupdf>=1.23.25
+docx2txt>=0.8
+Pillow>=10.3.0
+python-docx>=1.1.0
+transformers