diff --git a/requirements-test.txt b/requirements-test.txt
index c6bcc7a79f28f8ceca760b62755ac181fe877ac6..568f760ad0739a30e912fc3ff0569036dce8d02e 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -6,7 +6,7 @@ ecdsa==0.13.2
 requests==2.22.0
 websocket-client==0.56.0
 pytz==2019.2
-pycryptodomex==3.8.2
+pycryptodomex==3.9.0
 scrypt==0.8.13
 Events==0.3
 cryptography==2.7