diff --git a/setup.py b/setup.py
index 61bc3da..a00b565 100644
--- a/setup.py
+++ b/setup.py
@@ -43,7 +43,7 @@ class build_py(_build_py):
         )
 
         p = pathlib.Path(self.build_lib) / 'libpy/_build-and-run'
-        p.chmod(p.stat().st_mode | stat.S_IEXEC)
+        p.chmod(p.stat().st_mode | stat.S_IEXEC | stat.S_IXGRP | stat.S_IXOTH)
 
 
 setup(