diff --git a/backend/requirements.txt b/backend/requirements.txt
index 7440d40..8d7eebc 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -41,7 +41,7 @@ numpy>=2.1.0
 # PyTorch with CUDA 12.8 support (CVE-2025-32434 fixed in 2.6.0+)
 --extra-index-url https://download.pytorch.org/whl/cu128
 torch==2.8.0
-torchaudio==2.8.0
+torchaudio==2.11.0+cu128
 
 # =============================================================================
 # WhisperX 3.8.1 Dependencies (explicit since we install with --no-deps)