1 files changed, 1 insertions, 0 deletions
diff --git a/setup.py b/setup.py
index 24957ca..fc27b85 100644
--- a/setup.py
+++ b/setup.py
@@ -41,6 +41,7 @@ setup(name='wheel',
           ':python_version=="2.6"': ['argparse'],
           'signatures': ['keyring', 'keyrings.alt'],
           'signatures:sys_platform!="win32"': ['pyxdg'],
+          'signatures:python_version=="2.6"': ['importlib'],
           'faster-signatures': ['ed25519ll'],
           'tool': []
           },