1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index b70fe92..81b3384 100755
--- a/setup.py
+++ b/setup.py
@@ -31,6 +31,7 @@ A plugin for GNU Mailman that adds encrypted mailing lists via PGP/MIME.""",
         install_requires=[
             'mailman>=3.2.0a1',
             'PGPy',
+            'pyasn1==0.3.1',
             'atpublic',
             'flufl.lock',
             'sqlalchemy',