diff --git a/ext/OpenBLAS-v0.2.14-Win64-int64/bin/libopenblas.dll b/ext/OpenBLAS-v0.2.14-Win64-int64/bin/libopenblas.dll
old mode 100644
new mode 100755
index 59f4921..19b771e
Binary files a/ext/OpenBLAS-v0.2.14-Win64-int64/bin/libopenblas.dll and b/ext/OpenBLAS-v0.2.14-Win64-int64/bin/libopenblas.dll differ