diff --git a/setup.py b/setup.py
index bea0b6b..9959fac 100644
--- a/setup.py
+++ b/setup.py
@@ -162,7 +162,7 @@ def run(self):
         'async_generator', # for python 3.6
         'typing_extensions>=3.7.2',
         'iso8601',
-        'pycryptodomex==3.9.0',
+        'pycryptodomex==3.19.1',
         'python-snappy',
         'smokesignal',
         'sqlalchemy>=1.2.13',