diff --git a/tests/test_zpaq.py b/tests/test_zpaq.py
index 2bdabc9..2d52b3a 100644
--- a/tests/test_zpaq.py
+++ b/tests/test_zpaq.py
@@ -3,7 +3,7 @@
 # See the file 'docs/LICENSE.txt' for copying permission.
 
 import os.path
-# import pytest
+import pytest
 
 from sflock.abstracts import File
 from sflock.unpack import ZpaqFile
@@ -12,6 +12,7 @@
 def f(filename):
     return File.from_path(os.path.join(b"tests", b"files", filename))
 
+@pytest.mark.skip(reason="zpaq is slow")
 class TestZpaqFile(object):
     def test_zpaq(self):
         assert "ZPAQ file" in f(b"test.zpaq").magic