diff --git a/tests/kernels/attention/test_cascade_flash_attn.py b/tests/kernels/attention/test_cascade_flash_attn.py
old mode 100755
new mode 100644
diff --git a/vllm/attention/backends/flash_attn.py b/vllm/attention/backends/flash_attn.py
old mode 100755
new mode 100644
diff --git a/vllm/v1/attention/backends/flash_attn.py b/vllm/v1/attention/backends/flash_attn.py
old mode 100755
new mode 100644
diff --git a/vllm/v1/attention/backends/flashinfer.py b/vllm/v1/attention/backends/flashinfer.py
old mode 100755
new mode 100644