Update requirements.txt

requirements.txt

@@ -1,6 +1,6 @@
 # ------------- Core deep-learning stack (CPU wheels) -------------
-torch==2.6.0           # plain tag → CPU wheel; no "+cpu" suffix
-torchvision==0.19.0    # matches the Torch major/minor
+torch==2.4.0           # security-patched, CPU wheel by default
+torchvision==0.19.0    # version that explicitly depends on torch 2.4
 
 # ------------- Transformers / BLIP / CLIP ------------------------
 transformers==4.42.0   # recent HF Transformers