diff --git a/scripts/update_kernel_whl_index.py b/scripts/update_kernel_whl_index.py
index 6e2fccbee..093a7d699 100644
--- a/scripts/update_kernel_whl_index.py
+++ b/scripts/update_kernel_whl_index.py
@@ -11,8 +11,10 @@ DEFAULT_CUDA_VERSION = "130"
 
 
 def check_wheel_cuda_version(path_name, target_cuda_version):
-    # Pass ROCm wheel
-    if re.search(f"rocm", path_name):
+    # Skip non-CUDA backend wheels (rocm, musa, ...). Their +<backend><ver>
+    # local-version tags don't match the CUDA wheel regex below, and they are
+    # published by the dedicated release-rocm*/release-musa* jobs.
+    if re.search(r"\+(rocm|musa)", path_name):
         return False
 
     # For other CUDA versions, the wheel path name will contain the cuda version suffix, e.g. sglang_kernel-0.4.0+cu130-cp310-abi3-manylinux2014_x86_64.whl