Update requirements.txt

requirements.txt

@@ -1,7 +1,15 @@
-gradio>=4.0,<5
+# --- pin numpy < 2 so faiss-cpu can import ---
+numpy==1.26.4
+
+# vector search
+faiss-cpu==1.7.4
+
+# app libs
+gradio>=4.31.0
 transformers>=4.41.0
 sentence-transformers>=2.6.1
-faiss-cpu==1.8.0
-pandas>=2.0
-numpy>=1.24
-pyarrow>=15
+pandas>=2.1.0
+pyarrow>=14.0.1
+
+# torch: let Spaces choose a compatible build; if you want to pin:
+# torch>=2.2,<2.4