diff --git a/styrene/bundle.py b/styrene/bundle.py
index 7f5155e..e5c31d3 100644
--- a/styrene/bundle.py
+++ b/styrene/bundle.py
@@ -446,7 +446,7 @@ def _install_packages(self, root, packages, pkgdirs=()):
             - (?P<version> [^-]+ - \d+ )
             - any
             [.]pkg[.]tar
-            (?: [.](?:gz|xz) )?
+            (?: [.](?:gz|xz|zst) )?
             $
         '''
         keyobj = functools.cmp_to_key(self._vercmp)