diff --git a/.github/workflows/llama-build-cuda.yaml b/.github/workflows/llama-build-cuda.yaml
index 7bd8e3a..779f12c 100644
--- a/.github/workflows/llama-build-cuda.yaml
+++ b/.github/workflows/llama-build-cuda.yaml
@@ -21,7 +21,7 @@ jobs:
         run: |
           $matrix = @{
               'os' = @('ubuntu-24.04')
-              'pyver' = @("3.13", "3.14")
+              'pyver' = @("3.14")
               'cuda' = @("13.1.1")
               'releasetag' = @("basic")
           }
@@ -92,6 +92,7 @@ jobs:
           $env:CMAKE_ARGS = '-DGGML_CUDA=on -DLLAVA_BUILD=off -DCMAKE_CUDA_ARCHITECTURES=75;80;'
           $env:CMAKE_ARGS = "-DGGML_CUDA_FORCE_MMQ=OFF $env:CMAKE_ARGS"
           $env:CMAKE_ARGS = $env:CMAKE_ARGS + ' -DGGML_AVX2=off -DGGML_FMA=off -DGGML_F16C=off'
+          $env:CMAKE_ARGS = $env:CMAKE_ARGS + ' -DCMAKE_C_FLAGS="-march=x86-64" -DCMAKE_CXX_FLAGS="-march=x86-64"'
 
           # Rename the release version with +cu{cuda_ver} build tag
           (Get-Content llama_cpp/__init__.py) -replace '__version__ = "([^"]*)"', ('__version__ = "' + '$1' + '+cu' + $cudaVersion + '"') | Set-Content llama_cpp/__init__.py
@@ -118,3 +119,4 @@ jobs:
 
 
 
+