Update requirements.txt

requirements.txt

@@ -1,9 +1,7 @@
-flask==2.3.2
-gunicorn==20.1.0
-sentence-transformers==2.2.2
-transformers==4.31.0
-torch==2.0.1 --index-url https://download.pytorch.org/whl/cpu
-numpy==1.24.3
-pyyaml==6.0
-huggingface-hub==0.16.4
-xformers==0.0.20
+flask>=3.0.0
+gunicorn>=21.0.0
+sentence-transformers>=2.2.0
+transformers>=4.40.0
+torch>=2.2.0
+numpy>=1.26.0
+pyyaml>=6.0