diff --git a/package b/package
index 64c88c4..8ef64e1 100755
--- a/package
+++ b/package
@@ -108,16 +108,16 @@ if __name__ == "__main__":
 
         # volumes definition
         docker_args += [
-            "-v", "{:s}:/src:ro".format(project_dir),
-            "-v", "{:s}:/dist".format(output_dir),
+            "-v", "{:s}:/src:z,ro".format(project_dir),
+            "-v", "{:s}:/dist:z".format(output_dir),
         ]
 
         if not args.no_lib_mounts:
             docker_args += [
-                "-v", "{:s}:/tamarin/hooks:ro".format(tamarin.get_hooks_dir()),
-                "-v", "{:s}:/tamarin/lib:ro".format(tamarin.get_lib_dir()),
-                "-v", "{:s}:/tamarin/profiles:ro".format(tamarin.get_profiles_dir()),
-                "-v", "{:s}:/tamarin/utils:ro".format(tamarin.get_utils_dir())
+                "-v", "{:s}:/tamarin/hooks:z,ro".format(tamarin.get_hooks_dir()),
+                "-v", "{:s}:/tamarin/lib:z,ro".format(tamarin.get_lib_dir()),
+                "-v", "{:s}:/tamarin/profiles:z,ro".format(tamarin.get_profiles_dir()),
+                "-v", "{:s}:/tamarin/utils:z,ro".format(tamarin.get_utils_dir())
             ]
 
         # Use environment proxy if defined