Update requirements.txt

requirements.txt

@@ -1,13 +1,18 @@
-# Core app
-gradio>=4.44.0,<6
-pandas>=2.0.0
-openai>=1.40.0
+# --- Core app ---
+gradio==5.49.1
+pandas>=2.0,<3
+openai>=1.40.0,<3
 
-# Math + plotting
-sympy>=1.13.0,<1.15
-numpy>=1.24.0
-matplotlib>=3.8.0
-pillow>=10.0.0
+# --- Symbolic / math ---
+sympy>=1.13,<1.15         # 1.14.0 installs today
+mpmath<1.4                # SymPy requires this bound
 
-# DOCX export
+# --- Plotting + numerics ---
+matplotlib>=3.8,<3.11
+numpy>=1.24,<3
+pillow>=10,<12
 python-docx>=1.1.0
+
+# --- Spaces runtime helpers ---
+uvicorn>=0.14.0
+spaces>=0.42