diff --git a/contrib/DEBIAN/postinst b/contrib/DEBIAN/postinst
old mode 100644
new mode 100755
diff --git a/contrib/DEBIAN/postrm b/contrib/DEBIAN/postrm
old mode 100644
new mode 100755
diff --git a/contrib/DEBIAN/preinst b/contrib/DEBIAN/preinst
old mode 100644
new mode 100755
diff --git a/contrib/DEBIAN/prerm b/contrib/DEBIAN/prerm
old mode 100644
new mode 100755