diff --git a/sky/tools/dist_dart_pkg.py b/sky/tools/dist_dart_pkg.py old mode 100644 new mode 100755 diff --git a/sky/tools/install_framework_headers.py b/sky/tools/install_framework_headers.py old mode 100644 new mode 100755 diff --git a/sky/tools/objcopy.py b/sky/tools/objcopy.py old mode 100644 new mode 100755